Uses of Class
java.lang.Object

Packages that use Object

Package	Description
com.sun.java.accessibility.util	Provides a collection of interfaces and classes that compose the Java Accessibility Utilities.
com.sun.jdi	This is the core package of the Java Debug Interface (JDI), it defines mirrors for values, types, and the target VirtualMachine itself - as well bootstrapping facilities.
com.sun.jdi.connect	This package defines connections between the virtual machine using the JDI and the target virtual machine.
com.sun.jdi.connect.spi	This package comprises the interfaces and classes used to develop new TransportService implementations.
com.sun.jdi.request	This package is used to request that a JDI event be sent under specified conditions.
com.sun.management	This package contains the JDK's extension to the standard implementation of the java.lang.management API and also defines the management interface for some other components of the platform.
com.sun.net.httpserver	Provides a simple high-level Http server API, which can be used to build embedded HTTP servers.
com.sun.net.httpserver.spi	Provides a pluggable service provider interface, which allows the HTTP server implementation to be replaced with other implementations.
com.sun.nio.sctp	A Java API for Stream Control Transport Protocol.
com.sun.security.auth	Provides implementations of Principal.
com.sun.security.auth.callback	Provides an implementation of CallbackHandler.
com.sun.security.auth.login	Provides an implementation of Configuration.
com.sun.security.auth.module	Provides implementations of LoginModule.
com.sun.security.jgss	This package defines classes and interfaces for the JDK extensions to the GSS-API.
com.sun.source.tree	Provides interfaces to represent source code as abstract syntax trees (AST).
com.sun.source.util	Provides utilities for operations on abstract syntax trees (AST).
com.sun.tools.attach	Provides the API to attach to a Java virtual machine.
com.sun.tools.attach.spi	Only developers who are defining new attach providers should need to make direct use of this package.
com.sun.tools.javac	This package provides a legacy entry point for the javac tool.
com.sun.tools.jconsole	This package contains the JConsole API.
java.applet	Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context.
java.awt	Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.color	Provides classes for color spaces.
java.awt.datatransfer	Provides interfaces and classes for transferring data between and within applications.
java.awt.desktop	Provides interfaces and classes for interaction with various desktop capabilities.
java.awt.dnd	Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.event	Provides interfaces and classes for dealing with different types of events fired by AWT components.
java.awt.font	Provides classes and interface relating to fonts.
java.awt.geom	Provides the Java 2D classes for defining and performing operations on objects related to two-dimensional geometry.
java.awt.im	Provides classes and interfaces for the input method framework.
java.awt.im.spi	Provides interfaces that enable the development of input methods that can be used with any Java runtime environment.
java.awt.image	Provides classes for creating and modifying images.
java.awt.image.renderable	Provides classes and interfaces for producing rendering-independent images.
java.awt.print	Provides classes and interfaces for a general printing API.
java.beans	Contains classes related to developing beans -- components based on the JavaBeans architecture.
java.beans.beancontext	Provides classes and interfaces relating to bean context.
java.io	Provides for system input and output through data streams, serialization and the file system.
java.lang	Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation	Provides library support for the Java programming language annotation facility.
java.lang.constant	Classes and interfaces to represent nominal descriptors for run-time entities such as classes or method handles, and classfile entities such as constant pool entries or invokedynamic call sites.
java.lang.foreign	Provides low-level access to memory and functions outside the Java runtime.
java.lang.instrument	Provides services that allow Java programming language agents to instrument programs running on the Java Virtual Machine (JVM).
java.lang.invoke	The java.lang.invoke package provides low-level primitives for interacting with the Java Virtual Machine.
java.lang.management	Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
java.lang.module	Classes to support module descriptors and creating configurations of modules by means of resolution and service binding.
java.lang.ref	Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
java.lang.reflect	Provides classes and interfaces for obtaining reflective information about classes and objects.
java.lang.runtime	The java.lang.runtime package provides low-level runtime support for the Java language.
java.math	Provides classes for performing arbitrary-precision integer arithmetic (BigInteger) and arbitrary-precision decimal arithmetic (BigDecimal).
java.net	Provides the classes for implementing networking applications.
java.net.http	HTTP Client and WebSocket APIs
java.net.spi	Service-provider classes for the java.net package.
java.nio	Defines buffers, which are containers for data, and provides an overview of the other NIO packages.
java.nio.channels	Defines channels, which represent connections to entities that are capable of performing I/O operations, such as files and sockets; defines selectors, for multiplexed, non-blocking I/O operations.
java.nio.channels.spi	Service-provider classes for the java.nio.channels package.
java.nio.charset	Defines charsets, decoders, and encoders, for translating between bytes and Unicode characters.
java.nio.charset.spi	Service-provider classes for the java.nio.charset package.
java.nio.file	Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.attribute	Interfaces and classes providing access to file and file system attributes.
java.nio.file.spi	Service-provider classes for the java.nio.file package.
java.rmi	Provides the RMI package.
java.rmi.dgc	Provides classes and interface for RMI distributed garbage-collection (DGC).
java.rmi.registry	Provides a class and two interfaces for the RMI registry.
java.rmi.server	Provides classes and interfaces for supporting the server side of RMI.
java.security	Provides the classes and interfaces for the security framework.
java.security.cert	Provides classes and interfaces for parsing and managing certificates, certificate revocation lists (CRLs), and certification paths.
java.security.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
java.sql	Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java programming language.
java.text	Provides classes and interfaces for handling text, dates, numbers, and messages in a manner independent of natural languages.
java.text.spi	Service provider classes for the classes in the java.text package.
java.time	The main API for dates, times, instants, and durations.
java.time.chrono	Generic API for calendar systems other than the default ISO.
java.time.format	Provides classes to print and parse dates and times.
java.time.temporal	Access to date and time using fields and units, and date time adjusters.
java.time.zone	Support for time-zones and their rules.
java.util	Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent	Utility classes commonly useful in concurrent programming.
java.util.concurrent.atomic	A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.concurrent.locks	Interfaces and classes providing a framework for locking and waiting for conditions that is distinct from built-in synchronization and monitors.
java.util.function	Functional interfaces provide target types for lambda expressions and method references.
java.util.jar	Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.logging	Provides the classes and interfaces of the Java 2 platform's core logging facilities.
java.util.prefs	This package allows applications to store and retrieve user and system preference and configuration data.
java.util.random	This package contains classes and interfaces that support a generic API for random number generation.
java.util.regex	Classes for matching character sequences against patterns specified by regular expressions.
java.util.spi	Service provider classes for the classes in the java.util package.
java.util.stream	Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
java.util.zip	Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.accessibility	Defines a contract between user-interface components and an assistive technology that provides access to those components.
javax.annotation.processing	Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
javax.crypto	Provides the classes and interfaces for cryptographic operations.
javax.crypto.spec	Provides classes and interfaces for key specifications and algorithm parameter specifications.
javax.imageio	The main package of the Java Image I/O API.
javax.imageio.metadata	A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.plugins.bmp	Package containing the public classes used by the built-in BMP plug-in.
javax.imageio.plugins.jpeg	Classes supporting the built-in JPEG plug-in.
javax.imageio.plugins.tiff	Public classes used by the built-in TIFF plug-ins.
javax.imageio.spi	A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream	A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.lang.model	Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java programming language.
javax.lang.model.element	Interfaces used to model elements of the Java programming language.
javax.lang.model.type	Interfaces used to model Java programming language types.
javax.lang.model.util	Utilities to assist in the processing of program elements and types.
javax.management	Provides the core classes for the Java Management Extensions.
javax.management.loading	Provides the classes which implement advanced dynamic loading.
javax.management.modelmbean	Provides the definition of the ModelMBean classes.
javax.management.monitor	Provides the definition of the monitor classes.
javax.management.openmbean	Provides the open data types and Open MBean descriptor classes.
javax.management.relation	Provides the definition of the Relation Service.
javax.management.remote	Interfaces for remote access to JMX MBean servers.
javax.management.remote.rmi	The RMI connector is a connector for the JMX Remote API that uses RMI to transmit client requests to a remote MBean server.
javax.management.timer	Provides the definition of the Timer MBean.
javax.naming	Provides the classes and interfaces for accessing naming services.
javax.naming.directory	Extends the javax.naming package to provide functionality for accessing directory services.
javax.naming.event	Provides support for event notification when accessing naming and directory services.
javax.naming.ldap	Provides support for LDAPv3 extended operations and controls.
javax.naming.ldap.spi
javax.naming.spi	Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages.
javax.net	Provides classes for networking applications.
javax.net.ssl	Provides classes for the secure socket package.
javax.print	Provides the principal classes and interfaces for the Java Print Service API.
javax.print.attribute	Provides classes and interfaces that describe the types of Java Print Service attributes and how they can be collected into attribute sets.
javax.print.attribute.standard	Package javax.print.attribute.standard contains classes for specific printing attributes.
javax.print.event	Package javax.print.event contains event classes and listener interfaces.
javax.rmi.ssl	Provides implementations of RMIClientSocketFactory and RMIServerSocketFactory over the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
javax.script	The scripting API consists of interfaces and classes that define Java Scripting Engines and provides a framework for their use in Java applications.
javax.security.auth	This package provides a framework for authentication and authorization.
javax.security.auth.callback	This package provides the classes necessary for services to interact with applications in order to retrieve information (authentication data including usernames or passwords, for example) or to display information (error and warning messages, for example).
javax.security.auth.kerberos	This package contains utility classes related to the Kerberos network authentication protocol.
javax.security.auth.login	This package provides a pluggable authentication framework.
javax.security.auth.x500	This package contains the classes that should be used to store X500 Principal and X500 Private Credentials in a Subject.
javax.security.cert	Provides classes for public key certificates.
javax.security.sasl	Contains class and interfaces for supporting SASL.
javax.smartcardio	Java™ Smart Card I/O API.
javax.sound.midi	Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi	Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled	Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi	Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.sql	Provides the API for server side data source access and processing from the Java programming language.
javax.sql.rowset	Standard interfaces and base classes for JDBC RowSet implementations.
javax.sql.rowset.serial	Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
javax.sql.rowset.spi	The standard classes and interfaces that a third party vendor has to use in its implementation of a synchronization provider.
javax.swing	Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.border	Provides classes and interface for drawing specialized borders around a Swing component.
javax.swing.colorchooser	Contains classes and interfaces used by the JColorChooser component.
javax.swing.event	Provides for events fired by Swing components.
javax.swing.filechooser	Contains classes and interfaces used by the JFileChooser component.
javax.swing.plaf	Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic	Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal	Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.plaf.multi	Provides user interface objects that combine two or more look and feels.
javax.swing.plaf.nimbus	Provides user interface objects built according to the cross-platform Nimbus look and feel.
javax.swing.plaf.synth	Synth is a skinnable look and feel in which all painting is delegated.
javax.swing.table	Provides classes and interfaces for dealing with javax.swing.JTable.
javax.swing.text	Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.text.html	Provides the class HTMLEditorKit and supporting classes for creating HTML text editors.
javax.swing.text.html.parser	Provides the default HTML parser, along with support classes.
javax.swing.text.rtf	Provides a class (RTFEditorKit) for creating Rich-Text-Format text editors.
javax.swing.tree	Provides classes and interfaces for dealing with javax.swing.JTree.
javax.swing.undo	Allows developers to provide support for undo/redo in applications such as text editors.
javax.tools	Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.transaction.xa	Provides the API that defines the contract between the transaction manager and the resource manager, which allows the transaction manager to enlist and delist resource objects (supplied by the resource manager driver) in JTA transactions.
javax.xml	Defines constants for XML processing.
javax.xml.catalog	Provides the classes for implementing XML Catalogs OASIS Standard V1.1, 7 October 2005.
javax.xml.crypto	Common classes for XML cryptography.
javax.xml.crypto.dom	DOM-specific classes for the javax.xml.crypto package.
javax.xml.crypto.dsig	Classes for generating and validating XML digital signatures.
javax.xml.crypto.dsig.dom	DOM-specific classes for the javax.xml.crypto.dsig package.
javax.xml.crypto.dsig.keyinfo	Classes for parsing and processing KeyInfo elements and structures.
javax.xml.crypto.dsig.spec	Parameter classes for XML digital signatures.
javax.xml.datatype	Defines XML/Java Type Mappings.
javax.xml.namespace	Defines XML Namespace processing.
javax.xml.parsers	Provides the classes for processing XML documents with a SAX (Simple API for XML) parser or a DOM (Document Object Model) Document builder.
javax.xml.stream	Defines interfaces and classes for the Streaming API for XML (StAX).
javax.xml.stream.events	Defines event interfaces for the Streaming API for XML (StAX).
javax.xml.stream.util	Provides utility classes for the Streaming API for XML (StAX).
javax.xml.transform	Defines the generic APIs for processing transformation instructions, and performing a transformation from source to result.
javax.xml.transform.dom	Provides DOM specific transformation classes.
javax.xml.transform.sax	Provides SAX specific transformation classes.
javax.xml.transform.stax	Provides StAX specific transformation classes.
javax.xml.transform.stream	Provides stream and URI specific transformation classes.
javax.xml.validation	Provides an API for validation of XML documents.
javax.xml.xpath	Provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
jdk.dynalink	Contains interfaces and classes that are used to link an invokedynamic call site.
jdk.dynalink.beans	Contains the linker for ordinary Java objects.
jdk.dynalink.linker	Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
jdk.dynalink.linker.support	Contains classes that make it more convenient for language runtimes to implement their own language-specific object models and type conversions by providing basic implementations of some classes as well as various utilities.
jdk.dynalink.support	Contains classes that make using Dynalink more convenient by providing basic implementations of some classes as well as various utilities.
jdk.incubator.vector	Incubating Feature. Will be removed in a future release.
jdk.javadoc.doclet	The Doclet API provides an environment which, in conjunction with the Language Model API and Compiler Tree API, allows clients to inspect the source-level structures of programs and libraries, including API comments embedded in the source.
jdk.jfr	This package provides classes to create events and control Flight Recorder.
jdk.jfr.consumer	This package contains classes for consuming Flight Recorder data.
jdk.jshell	Provides interfaces for creating tools, such as a Read-Eval-Print Loop (REPL), which interactively evaluate "snippets" of Java programming language code.
jdk.jshell.execution	Provides implementation support for building JShell execution engines.
jdk.jshell.spi	Defines the Service Provider Interface for pluggable JShell execution engines.
jdk.management.jfr	This package contains classes to control and monitor Flight Recorder over Java Management Extensions (JMX).
jdk.net	Platform specific socket options for the java.net and java.nio.channels socket classes.
jdk.nio	Defines JDK-specific channel APIs.
jdk.nio.mapmode
jdk.security.jarsigner	This package defines APIs for signing jar files.
netscape.javascript	Provides Java code the ability to access the JavaScript engine and the HTML DOM in the web browser.
org.ietf.jgss	This package presents a framework that allows application developers to make use of security services like authentication, data integrity and data confidentiality from a variety of underlying security mechanisms like Kerberos, using a unified API.
org.w3c.dom	Provides the interfaces for the Document Object Model (DOM).
org.w3c.dom.bootstrap	Provides a factory for obtaining instances of DOMImplementation.
org.w3c.dom.events	Provides interfaces for DOM Level 2 Events.
org.w3c.dom.ls	Provides interfaces for DOM Level 3 Load and Save.
org.w3c.dom.ranges	Provides interfaces for DOM Level 2 Range.
org.w3c.dom.xpath	Provides interfaces for DOM Level 3 XPath Specification.
org.xml.sax	Provides the interfaces for the Simple API for XML (SAX).
org.xml.sax.ext	Provides interfaces to SAX2 facilities that conformant SAX drivers won't necessarily support.
org.xml.sax.helpers	Provides helper classes, including support for bootstrapping SAX-based applications.

Uses of Object in com.sun.java.accessibility.util

Subclasses of Object in com.sun.java.accessibility.util

Modifier and Type	Class	Description
class	AccessibilityEventMonitor	AccessibilityEventMonitor implements a PropertyChange listener on every UI object that implements interface Accessible in the Java Virtual Machine.
class	AccessibilityListenerList	The AccessibilityListenerList is a copy of the Swing EventListerList class.
class	AWTEventMonitor	The AWTEventMonitor implements a suite of listeners that are conditionally installed on every AWT component instance in the Java Virtual Machine.
class	EventID	EventID contains integer constants that map to event support in AWT and Swing.
class	EventQueueMonitor	The EventQueueMonitor class provides key core functionality for Assistive Technologies (and other system-level technologies that need some of the same things that Assistive Technology needs).
class	SwingEventMonitor	SwingEventMonitor extends AWTEventMonitor by adding a suite of listeners conditionally installed on every Swing component instance in the Java Virtual Machine.
class	Translator	The Translator class provides a translation to interface Accessible for objects that do not implement interface Accessible.

Fields in com.sun.java.accessibility.util declared as Object

Modifier and Type	Field	Description
protected Object[]	AccessibilityListenerList.listenerList	The list of listener type, listener pairs
protected Object	Translator.source	The source object needing translating.

Methods in com.sun.java.accessibility.util that return Object

Modifier and Type	Method	Description
Object[]	AccessibilityListenerList.getListenerList()	Passes back the event listener list as an array of listener type, listener pairs.
Object	Translator.getSource()	Get the source Object of the Translator.

Methods in com.sun.java.accessibility.util with parameters of type Object

Modifier and Type	Method	Description
boolean	Translator.equals(Object o)	Returns true if this object is the same as the one passed in.
static Accessible	Translator.getAccessible(Object o)	Obtain an object that implements interface Accessible.
void	Translator.setSource(Object o)	Set the source object of the Translator.

Constructors in com.sun.java.accessibility.util with parameters of type Object

Modifier	Constructor	Description
	Translator(Object o)	Create a new Translator with the source object o.

Uses of Object in com.sun.jdi

Subclasses of Object in com.sun.jdi

Modifier and Type	Class	Description
class	AbsentInformationException	Thrown to indicate line number or variable information is not available.
class	Bootstrap	Initial class that provides access to the default implementation of JDI interfaces.
class	ClassNotLoadedException	Thrown to indicate that the requested class has not yet been loaded through the appropriate class loader.
class	ClassNotPreparedException	Thrown to indicate that the requested operation cannot be completed because the specified class has not yet been prepared.
class	IncompatibleThreadStateException	Thrown to indicate that the requested operation cannot be completed while the specified thread is in its current state.
class	InconsistentDebugInfoException	Thrown to indicate that there is an inconistency in the debug information provided by the target VM.
class	InternalException	Thrown to indicate that an unexpected internal error has occurred.
class	InvalidCodeIndexException	Deprecated. This exception is no longer thrown
class	InvalidLineNumberException	Deprecated. This exception is no longer thrown
class	InvalidModuleException	Thrown to indicate that the requested module is invalid or became invalid after the module was unloaded.
class	InvalidStackFrameException	Thrown to indicate that the requested operation cannot be completed because the specified stack frame is no longer valid.
class	InvalidTypeException	Thrown to indicate a type mismatch in setting the value of a field or variable, or in specifying the return value of a method.
class	InvocationException	Thrown to indicate an exception occurred in an invoked method within the target VM.
final class	JDIPermission	The JDIPermission class represents access rights to the VirtualMachineManager.
class	NativeMethodException	Thrown to indicate an operation cannot be completed because it is not valid for a native method.
class	ObjectCollectedException	Thrown to indicate that the requested operation cannot be completed because the specified object has been garbage collected.
class	OpaqueFrameException	Thrown to indicate an operation could not be performed on a frame.
class	VMCannotBeModifiedException	Thrown to indicate that the operation is invalid because it would modify the VM and the VM is read-only.
class	VMDisconnectedException	Unchecked exception thrown to indicate that the requested operation cannot be completed because there is no longer a connection to the target VM.
class	VMMismatchException	Thrown to indicate that the requested operation cannot be completed because the mirror from one target VM is being combined with a mirror from another target VM.
class	VMOutOfMemoryException	Thrown to indicate that the requested operation cannot be completed because the target VM has run out of memory.

Methods in com.sun.jdi with parameters of type Object

Modifier and Type	Method	Description
boolean	BooleanValue.equals(Object obj)	Compares the specified Object with this BooleanValue for equality.
boolean	ByteValue.equals(Object obj)	Compares the specified Object with this ByteValue for equality.
boolean	CharValue.equals(Object obj)	Compares the specified Object with this CharValue for equality.
boolean	DoubleValue.equals(Object obj)	Compares the specified Object with this DoubleValue for equality.
boolean	Field.equals(Object obj)	Compares the specified Object with this field for equality.
boolean	FloatValue.equals(Object obj)	Compares the specified Object with this FloatValue for equality.
boolean	IntegerValue.equals(Object obj)	Compares the specified Object with this IntegerValue for equality.
boolean	LocalVariable.equals(Object obj)	Compares the specified Object with this LocalVariable for equality.
boolean	Location.equals(Object obj)	Compares the specified Object with this Location for equality.
boolean	LongValue.equals(Object obj)	Compares the specified Object with this LongValue for equality.
boolean	Method.equals(Object obj)	Compares the specified Object with this method for equality.
boolean	ObjectReference.equals(Object obj)	Compares the specified Object with this ObjectReference for equality.
boolean	ReferenceType.equals(Object obj)	Compares the specified Object with this ReferenceType for equality.
boolean	ShortValue.equals(Object obj)	Compares the specified Object with this ShortValue for equality.
boolean	VoidValue.equals(Object obj)	Compares the specified Object with this VoidValue for equality.

Uses of Object in com.sun.jdi.connect

Subclasses of Object in com.sun.jdi.connect

Modifier and Type	Class	Description
class	IllegalConnectorArgumentsException	Thrown to indicate an invalid argument or inconsistent passed to a Connector.
class	TransportTimeoutException	This exception may be thrown as a result of a timeout when attaching to a target VM, or waiting to accept a connection from a target VM.
class	VMStartException	A target VM was successfully launched, but terminated with an error before a connection could be established.

Uses of Object in com.sun.jdi.connect.spi

Subclasses of Object in com.sun.jdi.connect.spi

Modifier and Type	Class	Description
class	ClosedConnectionException	This exception may be thrown as a result of an asynchronous close of a Connection while an I/O operation is in progress.
class	Connection	A connection between a debugger and a target VM which it debugs.
class	TransportService	A transport service for connections between a debugger and a target VM.
static class	TransportService.Capabilities	The transport service capabilities.
static class	TransportService.ListenKey	A listen key.

Uses of Object in com.sun.jdi.request

Subclasses of Object in com.sun.jdi.request

Modifier and Type	Class	Description
class	DuplicateRequestException	Thrown to indicate a duplicate event request.
class	InvalidRequestStateException	Thrown to indicate that the requested event cannot be modified because it is enabled.

Methods in com.sun.jdi.request that return Object

Modifier and Type	Method	Description
Object	EventRequest.getProperty(Object key)	Returns the value of the property with the specified key.

Methods in com.sun.jdi.request with parameters of type Object

Modifier and Type	Method	Description
Object	EventRequest.getProperty(Object key)	Returns the value of the property with the specified key.
void	EventRequest.putProperty(Object key, Object value)	Add an arbitrary key/value "property" to this request.

Uses of Object in com.sun.management

Subclasses of Object in com.sun.management

Modifier and Type	Class	Description
class	GarbageCollectionNotificationInfo	The information about a garbage collection
class	GcInfo	Garbage collection information.
class	VMOption	Information about a VM option including its value and where the value came from which is referred as its origin.

Methods in com.sun.management that return Object

Modifier and Type	Method	Description
Object	GcInfo.get(String key)
Object[]	GcInfo.getAll(String[] keys)

Methods in com.sun.management with parameters of type Object

Modifier and Type	Method	Description
boolean	GcInfo.containsValue(Object value)
boolean	GcInfo.equals(Object obj)

Uses of Object in com.sun.net.httpserver

Subclasses of Object in com.sun.net.httpserver

Modifier and Type	Class	Description
class	Authenticator	Authenticator represents an implementation of an HTTP authentication mechanism.
static class	Authenticator.Failure	Indicates an authentication failure.
static class	Authenticator.Result	Base class for return type from Authenticator.authenticate(HttpExchange) method.
static class	Authenticator.Retry	Indicates an authentication must be retried.
static class	Authenticator.Success	Indicates an authentication has succeeded and the authenticated user principal can be acquired by calling Authenticator.Success.getPrincipal().
class	BasicAuthenticator	BasicAuthenticator provides an implementation of HTTP Basic authentication.
class	Filter	A filter used to pre- and post-process incoming requests.
static class	Filter.Chain	A chain of filters associated with a HttpServer.
class	Headers	HTTP request and response headers are represented by this class which implements the interface Map<String, List <String>>.
class	HttpContext	HttpContext represents a mapping between the root URI path of an application to a HttpHandler which is invoked to handle requests destined for that path on the associated HttpServer or HttpsServer.
class	HttpExchange	This class encapsulates a HTTP request received and a response to be generated in one exchange.
final class	HttpHandlers	Implementations of HttpHandler that implement various useful handlers, such as a static response handler, or a conditional handler that complements one handler with another.
class	HttpPrincipal	Represents a user authenticated by HTTP Basic or Digest authentication.
class	HttpsConfigurator	This class is used to configure the https parameters for each incoming https connection on a HttpsServer.
class	HttpServer	This class implements a simple HTTP server.
class	HttpsExchange	This class encapsulates a HTTPS request received and a response to be generated in one exchange and defines the extensions to HttpExchange that are specific to the HTTPS protocol.
class	HttpsParameters	Represents the set of parameters for each https connection negotiated with clients.
class	HttpsServer	This class is an extension of HttpServer which provides support for HTTPS.
final class	SimpleFileServer	A simple HTTP file server and its components (intended for testing, development and debugging purposes only).

Methods in com.sun.net.httpserver that return Object

Modifier and Type	Method	Description
abstract Object	HttpExchange.getAttribute(String name)	Filter modules may store arbitrary objects with HttpExchange instances as an out-of-band communication mechanism.

Methods in com.sun.net.httpserver that return types with arguments of type Object

Modifier and Type	Method	Description
abstract Map<String,Object>	HttpContext.getAttributes()	Returns a mutable Map, which can be used to pass configuration and other data to Filter modules and to the context's exchange handler.

Methods in com.sun.net.httpserver with parameters of type Object

Modifier and Type	Method	Description
boolean	Headers.containsKey(Object key)
boolean	Headers.containsValue(Object value)
boolean	Headers.equals(Object o)
boolean	HttpPrincipal.equals(Object another)	Compare two instances of HttpPrincipal.
List<String>	Headers.get(Object key)
List<String>	Headers.remove(Object key)
abstract void	HttpExchange.setAttribute(String name, Object value)	Filter modules may store arbitrary objects with HttpExchange instances as an out-of-band communication mechanism.

Uses of Object in com.sun.net.httpserver.spi

Subclasses of Object in com.sun.net.httpserver.spi

Modifier and Type	Class	Description
class	HttpServerProvider	Service provider class for HttpServer.

Uses of Object in com.sun.nio.sctp

Subclasses of Object in com.sun.nio.sctp

Modifier and Type	Class	Description
class	AbstractNotificationHandler<T>	A skeletal handler that consumes notifications and continues.
class	Association	A class that represents an SCTP association.
class	AssociationChangeNotification	Notification emitted when an association has either opened or closed.
class	IllegalReceiveException	Unchecked exception thrown when an attempt is made to invoke the receive method of SctpChannel or SctpMultiChannel from a notification handler.
class	IllegalUnbindException	Unchecked exception thrown when an attempt is made to remove an address that is not bound to the channel, or remove an address from a channel that has only one address bound to it.
class	InvalidStreamException	Unchecked exception thrown when an attempt is made to send a message to an invalid stream.
class	MessageInfo	The MessageInfo class provides additional ancillary information about messages.
class	PeerAddressChangeNotification	Notification emitted when a destination address on a multi-homed peer encounters a change.
class	SctpChannel	A selectable channel for message-oriented connected SCTP sockets.
class	SctpMultiChannel	A selectable channel for message-oriented SCTP sockets.
class	SctpServerChannel	A selectable channel for message-oriented listening SCTP sockets.
final class	SctpStandardSocketOptions	SCTP channels supports the socket options defined by this class (as well as those listed in the particular channel class) and may support additional Implementation specific socket options.
static class	SctpStandardSocketOptions.InitMaxStreams	This class is used to set the maximum number of inbound/outbound streams used by the local endpoint during association initialization.
class	SendFailedNotification	Notification emitted when a send failed notification has been received.
class	ShutdownNotification	Notification emitted when a peer shuts down an association.

Methods in com.sun.nio.sctp with parameters of type Object

Modifier and Type	Method	Description
boolean	SctpStandardSocketOptions.InitMaxStreams.equals(Object obj)	Returns true if the specified object is another InitMaxStreams instance with the same number of in and out bound streams.

Uses of Object in com.sun.security.auth

Subclasses of Object in com.sun.security.auth

Modifier and Type	Class	Description
final class	LdapPrincipal	A principal identified by a distinguished name as specified by RFC 2253.
class	NTDomainPrincipal	This class implements the Principal interface and represents the name of the Windows NT domain into which the user authenticated.
class	NTNumericCredential	This class abstracts an NT security token and provides a mechanism to do same-process security impersonation.
class	NTSid	This class implements the Principal interface and represents information about a Windows NT user, group or realm.
class	NTSidDomainPrincipal	This class extends NTSid and represents a Windows NT user's domain SID.
class	NTSidGroupPrincipal	This class extends NTSid and represents one of the groups to which a Windows NT user belongs.
class	NTSidPrimaryGroupPrincipal	This class extends NTSid and represents a Windows NT user's primary group SID.
class	NTSidUserPrincipal	This class extends NTSid and represents a Windows NT user's SID.
class	NTUserPrincipal	This class implements the Principal interface and represents a Windows NT user.
class	UnixNumericGroupPrincipal	This class implements the Principal interface and represents a user's Unix group identification number (GID).
class	UnixNumericUserPrincipal	This class implements the Principal interface and represents a user's Unix identification number (UID).
class	UnixPrincipal	This class implements the Principal interface and represents a Unix user.
final class	UserPrincipal	A user principal identified by a username or account name.

Methods in com.sun.security.auth with parameters of type Object

Modifier and Type	Method	Description
boolean	LdapPrincipal.equals(Object object)	Compares this principal to the specified object.
boolean	NTDomainPrincipal.equals(Object o)	Compares the specified Object with this NTDomainPrincipal for equality.
boolean	NTNumericCredential.equals(Object o)	Compares the specified Object with this NTNumericCredential for equality.
boolean	NTSid.equals(Object o)	Compares the specified Object with this NTSid for equality.
boolean	NTSidDomainPrincipal.equals(Object o)	Compares the specified Object with this NTSidDomainPrincipal for equality.
boolean	NTSidGroupPrincipal.equals(Object o)	Compares the specified Object with this NTSidGroupPrincipal for equality.
boolean	NTSidPrimaryGroupPrincipal.equals(Object o)	Compares the specified Object with this NTSidPrimaryGroupPrincipal for equality.
boolean	NTSidUserPrincipal.equals(Object o)	Compares the specified Object with this NTSidUserPrincipal for equality.
boolean	NTUserPrincipal.equals(Object o)	Compares the specified Object with this NTUserPrincipal for equality.
boolean	UnixNumericGroupPrincipal.equals(Object o)	Compares the specified Object with this UnixNumericGroupPrincipal for equality.
boolean	UnixNumericUserPrincipal.equals(Object o)	Compares the specified Object with this UnixNumericUserPrincipal for equality.
boolean	UnixPrincipal.equals(Object o)	Compares the specified Object with this UnixPrincipal for equality.
boolean	UserPrincipal.equals(Object object)	Compares this principal to the specified object.

Uses of Object in com.sun.security.auth.callback

Subclasses of Object in com.sun.security.auth.callback

Modifier and Type	Class	Description
class	TextCallbackHandler	Prompts and reads from the command line for answers to authentication questions.

Uses of Object in com.sun.security.auth.login

Subclasses of Object in com.sun.security.auth.login

Modifier and Type	Class	Description
class	ConfigFile	This class represents a default implementation for javax.security.auth.login.Configuration.

Uses of Object in com.sun.security.auth.module

Subclasses of Object in com.sun.security.auth.module

Modifier and Type	Class	Description
class	JndiLoginModule	The module prompts for a username and password and then verifies the password against the password stored in a directory service configured under JNDI.
class	KeyStoreLoginModule	Provides a JAAS login module that prompts for a key store alias and populates the subject with the alias's principal and credentials.
class	Krb5LoginModule	This LoginModule authenticates users using Kerberos protocols.
class	LdapLoginModule	This LoginModule performs LDAP-based authentication.
class	NTLoginModule	This LoginModule renders a user's NT security information as some number of Principals and associates them with a Subject.
class	NTSystem	This class implementation retrieves and makes available NT security information for the current user.
class	UnixLoginModule	This LoginModule imports a user's Unix Principal information (UnixPrincipal, UnixNumericUserPrincipal, and UnixNumericGroupPrincipal) and associates them with the current Subject.
class	UnixSystem	This class implementation retrieves and makes available Unix UID/GID/groups information for the current user.

Uses of Object in com.sun.security.jgss

Subclasses of Object in com.sun.security.jgss

Modifier and Type	Class	Description
final class	AuthorizationDataEntry	Kerberos 5 AuthorizationData entry.
class	GSSUtil	GSS-API Utilities for using in conjunction with Sun Microsystem's implementation of Java GSS-API.
final class	InquireSecContextPermission	This class is used to protect various attributes of an established GSS security context that can be accessed using the ExtendedGSSContext.inquireSecContext(com.sun.security.jgss.InquireType) method.

Methods in com.sun.security.jgss that return Object

Modifier and Type	Method	Description
Object	ExtendedGSSContext.inquireSecContext(InquireType type)	Return the mechanism-specific attribute associated with type.

Uses of Object in com.sun.source.tree

Methods in com.sun.source.tree that return Object

Modifier and Type	Method	Description
Object	LiteralTree.getValue()	Returns the value of the literal expression.

Uses of Object in com.sun.source.util

Subclasses of Object in com.sun.source.util

Modifier and Type	Class	Description
class	DocTreePath	A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top-level DocCommentTree node.
class	DocTreePathScanner<R,P>	A DocTreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
class	DocTrees	Provides access to syntax trees for doc comments.
class	DocTreeScanner<R,P>	A DocTreeVisitor that visits all the child tree nodes.
class	JavacTask	Provides access to functionality specific to the JDK Java Compiler, javac.
class	SimpleDocTreeVisitor<R,P>	A simple visitor for tree nodes.
class	SimpleTreeVisitor<R,P>	A simple visitor for tree nodes.
final class	TaskEvent	Provides details about work that has been done by the JDK Java Compiler, javac.
class	TreePath	A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top-level CompilationUnitTree node.
class	TreePathScanner<R,P>	A TreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
class	Trees	Bridges JSR 199, JSR 269, and the Tree API.
class	TreeScanner<R,P>	A TreeVisitor that visits all the child tree nodes.

Fields in com.sun.source.util declared as Object

Modifier and Type	Field	Description
protected final R	SimpleDocTreeVisitor.DEFAULT_VALUE	The default value, returned by the default action.
protected final R	SimpleTreeVisitor.DEFAULT_VALUE	The default value, returned by the default action.

Uses of Object in com.sun.tools.attach

Subclasses of Object in com.sun.tools.attach

Modifier and Type	Class	Description
class	AgentInitializationException	The exception thrown when an agent fails to initialize in the target Java virtual machine.
class	AgentLoadException	The exception thrown when an agent cannot be loaded into the target Java virtual machine.
class	AttachNotSupportedException	Thrown by VirtualMachine.attach when attempting to attach to a Java virtual machine for which a compatible AttachProvider does not exist.
class	AttachOperationFailedException	Exception type to signal that an attach operation failed in the target VM.
final class	AttachPermission	When a SecurityManager set, this is the permission which will be checked when code invokes VirtualMachine.attach to attach to a target virtual machine.
class	VirtualMachine	A Java virtual machine.
class	VirtualMachineDescriptor	Describes a Java virtual machine.

Methods in com.sun.tools.attach with parameters of type Object

Modifier and Type	Method	Description
boolean	VirtualMachine.equals(Object ob)	Tests this VirtualMachine for equality with another object.
boolean	VirtualMachineDescriptor.equals(Object ob)	Tests this VirtualMachineDescriptor for equality with another object.

Uses of Object in com.sun.tools.attach.spi

Subclasses of Object in com.sun.tools.attach.spi

Modifier and Type	Class	Description
class	AttachProvider	Attach provider class for attaching to a Java virtual machine.

Uses of Object in com.sun.tools.javac

Subclasses of Object in com.sun.tools.javac

Modifier and Type	Class	Description
class	Main	A legacy programmatic interface for the Java Programming Language compiler, javac.

Uses of Object in com.sun.tools.jconsole

Subclasses of Object in com.sun.tools.jconsole

Modifier and Type	Class	Description
class	JConsolePlugin	A JConsole plugin class.

Uses of Object in java.applet

Subclasses of Object in java.applet

Modifier and Type	Class	Description
class	Applet	Deprecated, for removal: This API element is subject to removal in a future version. The Applet API is deprecated, no replacement.
protected class	Applet.AccessibleApplet	Deprecated, for removal: This API element is subject to removal in a future version. This class implements accessibility support for the Applet class.

Uses of Object in java.awt

Subclasses of Object in java.awt

Modifier and Type	Class	Description
final class	AlphaComposite	The AlphaComposite class implements basic alpha compositing rules for combining source and destination colors to achieve blending and transparency effects with graphics and images.
class	AWTError	Thrown when a serious Abstract Window Toolkit error has occurred.
class	AWTEvent	The root event class for all AWT events.
class	AWTEventMulticaster	AWTEventMulticaster implements efficient and thread-safe multi-cast event dispatching for the AWT events defined in the java.awt.event package.
class	AWTException	Signals that an Abstract Window Toolkit exception has occurred.
class	AWTKeyStroke	An AWTKeyStroke represents a key action on the keyboard, or equivalent input device.
final class	AWTPermission	This class is for AWT permissions.
class	BasicStroke	The BasicStroke class defines a basic set of rendering attributes for the outlines of graphics primitives, which are rendered with a Graphics2D object that has its Stroke attribute set to this BasicStroke.
class	BorderLayout	A border layout lays out a container, arranging and resizing its components to fit in five regions: north, south, east, west, and center.
class	BufferCapabilities	Capabilities and properties of buffers.
static final class	BufferCapabilities.FlipContents	A type-safe enumeration of the possible back buffer contents after page-flipping
class	Button	This class creates a labeled button.
protected class	Button.AccessibleAWTButton	This class implements accessibility support for the Button class.
class	Canvas	A Canvas component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.
protected class	Canvas.AccessibleAWTCanvas	This class implements accessibility support for the Canvas class.
class	CardLayout	A CardLayout object is a layout manager for a container.
class	Checkbox	A check box is a graphical component that can be in either an "on" (true) or "off" (false) state.
protected class	Checkbox.AccessibleAWTCheckbox	This class implements accessibility support for the Checkbox class.
class	CheckboxGroup	The CheckboxGroup class is used to group together a set of Checkbox buttons.
class	CheckboxMenuItem	This class represents a check box that can be included in a menu.
protected class	CheckboxMenuItem.AccessibleAWTCheckboxMenuItem	Inner class of CheckboxMenuItem used to provide default support for accessibility.
class	Choice	The Choice class presents a pop-up menu of choices.
protected class	Choice.AccessibleAWTChoice	This class implements accessibility support for the Choice class.
class	Color	The Color class is used to encapsulate colors in the default sRGB color space or colors in arbitrary color spaces identified by a ColorSpace.
class	Component	A component is an object having a graphical representation that can be displayed on the screen and that can interact with the user.
protected class	Component.AccessibleAWTComponent	Inner class of Component used to provide default support for accessibility.
protected class	Component.AccessibleAWTComponent.AccessibleAWTComponentHandler	Fire PropertyChange listener, if one is registered, when shown/hidden..
protected class	Component.AccessibleAWTComponent.AccessibleAWTFocusHandler	Fire PropertyChange listener, if one is registered, when focus events happen
protected class	Component.BltBufferStrategy	Inner class for blitting offscreen surfaces to a component.
protected class	Component.FlipBufferStrategy	Inner class for flipping buffers on a component.
final class	ComponentOrientation	The ComponentOrientation class encapsulates the language-sensitive orientation that is to be used to order the elements of a component or of text.
class	Container	A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components.
protected class	Container.AccessibleAWTContainer	Inner class of Container used to provide default support for accessibility.
protected class	Container.AccessibleAWTContainer.AccessibleContainerHandler	Fire PropertyChange listener, if one is registered, when children are added or removed.
class	ContainerOrderFocusTraversalPolicy	A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
class	Cursor	A class to encapsulate the bitmap representation of the mouse cursor.
class	DefaultFocusTraversalPolicy	A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
class	DefaultKeyboardFocusManager	The default KeyboardFocusManager for AWT applications.
class	Desktop	The Desktop class allows interact with various desktop capabilities.
class	Dialog	A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user.
protected class	Dialog.AccessibleAWTDialog	This class implements accessibility support for the Dialog class.
class	Dimension	The Dimension class encapsulates the width and height of a component (in integer precision) in a single object.
final class	DisplayMode	The DisplayMode class encapsulates the bit depth, height, width, and refresh rate of a GraphicsDevice.
class	Event	Deprecated. It is recommended that AWTEvent and its subclasses be used instead
class	EventQueue	EventQueue is a platform-independent class that queues events, both from the underlying peer classes and from trusted application classes.
class	FileDialog	The FileDialog class displays a dialog window from which the user can select a file.
class	FlowLayout	A flow layout arranges components in a directional flow, much like lines of text in a paragraph.
class	FocusTraversalPolicy	A FocusTraversalPolicy defines the order in which Components with a particular focus cycle root are traversed.
class	Font	The Font class represents fonts, which are used to render text in a visible way.
class	FontFormatException	Thrown by method createFont in the Font class to indicate that the specified font is bad.
class	FontMetrics	The FontMetrics class defines a font metrics object, which encapsulates information about the rendering of a particular font on a particular screen.
class	Frame	A Frame is a top-level window with a title and a border.
protected class	Frame.AccessibleAWTFrame	This class implements accessibility support for the Frame class.
class	GradientPaint	The GradientPaint class provides a way to fill a Shape with a linear color gradient pattern.
class	Graphics	The Graphics class is the abstract base class for all graphics contexts that allow an application to draw onto components that are realized on various devices, as well as onto off-screen images.
class	Graphics2D	This Graphics2D class extends the Graphics class to provide more sophisticated control over geometry, coordinate transformations, color management, and text layout.
class	GraphicsConfigTemplate	The GraphicsConfigTemplate class is used to obtain a valid GraphicsConfiguration.
class	GraphicsConfiguration	The GraphicsConfiguration class describes the characteristics of a graphics destination such as a printer or monitor.
class	GraphicsDevice	The GraphicsDevice class describes the graphics devices that might be available in a particular graphics environment.
class	GraphicsEnvironment	The GraphicsEnvironment class describes the collection of GraphicsDevice objects and Font objects available to a Java(tm) application on a particular platform.
class	GridBagConstraints	The GridBagConstraints class specifies constraints for components that are laid out using the GridBagLayout class.
class	GridBagLayout	The GridBagLayout class is a flexible layout manager that aligns components vertically, horizontally or along their baseline without requiring that the components be of the same size.
final class	GridBagLayoutInfo	The GridBagLayoutInfo is an utility class for GridBagLayout layout manager.
class	GridLayout	The GridLayout class is a layout manager that lays out a container's components in a rectangular grid.
class	HeadlessException	Thrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.
class	IllegalComponentStateException	Signals that an AWT component is not in an appropriate state for the requested operation.
class	Image	The abstract class Image is the superclass of all classes that represent graphical images.
class	ImageCapabilities	Capabilities and properties of images.
class	Insets	An Insets object is a representation of the borders of a container.
final class	JobAttributes	A set of attributes which control a print job.
static final class	JobAttributes.DefaultSelectionType	A type-safe enumeration of possible default selection states.
static final class	JobAttributes.DestinationType	A type-safe enumeration of possible job destinations.
static final class	JobAttributes.DialogType	A type-safe enumeration of possible dialogs to display to the user.
static final class	JobAttributes.MultipleDocumentHandlingType	A type-safe enumeration of possible multiple copy handling states.
static final class	JobAttributes.SidesType	A type-safe enumeration of possible multi-page impositions.
class	KeyboardFocusManager	The KeyboardFocusManager is responsible for managing the active and focused Windows, and the current focus owner.
class	Label	A Label object is a component for placing text in a container.
protected class	Label.AccessibleAWTLabel	This class implements accessibility support for the Label class.
final class	LinearGradientPaint	The LinearGradientPaint class provides a way to fill a Shape with a linear color gradient pattern.
class	List	The List component presents the user with a scrolling list of text items.
protected class	List.AccessibleAWTList	This class implements accessibility support for the List class.
protected class	List.AccessibleAWTList.AccessibleAWTListChild	This class implements accessibility support for List children.
class	MediaTracker	The MediaTracker class is a utility class to track the status of a number of media objects.
class	Menu	A Menu object is a pull-down menu component that is deployed from a menu bar.
protected class	Menu.AccessibleAWTMenu	Inner class of Menu used to provide default support for accessibility.
class	MenuBar	The MenuBar class encapsulates the platform's concept of a menu bar bound to a frame.
protected class	MenuBar.AccessibleAWTMenuBar	Inner class of MenuBar used to provide default support for accessibility.
class	MenuComponent	The abstract class MenuComponent is the superclass of all menu-related components.
protected class	MenuComponent.AccessibleAWTMenuComponent	Inner class of MenuComponent used to provide default support for accessibility.
class	MenuItem	All items in a menu must belong to the class MenuItem, or one of its subclasses.
protected class	MenuItem.AccessibleAWTMenuItem	Inner class of MenuItem used to provide default support for accessibility.
class	MenuShortcut	The MenuShortcut class represents a keyboard accelerator for a MenuItem.
class	MouseInfo	MouseInfo provides methods for getting information about the mouse, such as mouse pointer location and the number of mouse buttons.
class	MultipleGradientPaint	This is the superclass for Paints which use a multiple color gradient to fill in their raster.
final class	PageAttributes	A set of attributes which control the output of a printed page.
static final class	PageAttributes.ColorType	A type-safe enumeration of possible color states.
static final class	PageAttributes.MediaType	A type-safe enumeration of possible paper sizes.
static final class	PageAttributes.OrientationRequestedType	A type-safe enumeration of possible orientations.
static final class	PageAttributes.OriginType	A type-safe enumeration of possible origins.
static final class	PageAttributes.PrintQualityType	A type-safe enumeration of possible print qualities.
class	Panel	Panel is the simplest container class.
protected class	Panel.AccessibleAWTPanel	This class implements accessibility support for the Panel class.
class	Point	A point representing a location in (x,y) coordinate space, specified in integer precision.
final class	PointerInfo	A class that describes the pointer position.
class	Polygon	The Polygon class encapsulates a description of a closed, two-dimensional region within a coordinate space.
class	PopupMenu	A class that implements a menu which can be dynamically popped up at a specified position within a component.
protected class	PopupMenu.AccessibleAWTPopupMenu	Inner class of PopupMenu used to provide default support for accessibility.
class	PrintJob	An abstract class which initiates and executes a print job.
final class	RadialGradientPaint	The RadialGradientPaint class provides a way to fill a shape with a circular radial color gradient pattern.
class	Rectangle	A Rectangle specifies an area in a coordinate space that is enclosed by the Rectangle object's upper-left point (x,y) in the coordinate space, its width, and its height.
class	RenderingHints	The RenderingHints class defines and manages collections of keys and associated values which allow an application to provide input into the choice of algorithms used by other classes which perform rendering and image manipulation services.
static class	RenderingHints.Key	Defines the base type of all keys used along with the RenderingHints class to control various algorithm choices in the rendering and imaging pipelines.
class	Robot	This class is used to generate native system input events for the purposes of test automation, self-running demos, and other applications where control of the mouse and keyboard is needed.
class	Scrollbar	The Scrollbar class embodies a scroll bar, a familiar user-interface object.
protected class	Scrollbar.AccessibleAWTScrollBar	This class implements accessibility support for the Scrollbar class.
class	ScrollPane	A container class which implements automatic horizontal and/or vertical scrolling for a single child component.
protected class	ScrollPane.AccessibleAWTScrollPane	This class implements accessibility support for the ScrollPane class.
final class	ScrollPaneAdjustable	This class represents the state of a horizontal or vertical scrollbar of a ScrollPane.
final class	SplashScreen	The splash screen can be displayed at application startup, before the Java Virtual Machine (JVM) starts.
final class	SystemColor	A class to encapsulate symbolic colors representing the color of native GUI objects on a system.
class	SystemTray	The SystemTray class represents the system tray for a desktop.
class	Taskbar	The Taskbar class allows a Java application to interact with the system task area (taskbar, Dock, etc.).
class	TextArea	A TextArea object is a multi-line region that displays text.
protected class	TextArea.AccessibleAWTTextArea	This class implements accessibility support for the TextArea class.
class	TextComponent	The TextComponent class is the superclass of any component that allows the editing of some text.
protected class	TextComponent.AccessibleAWTTextComponent	This class implements accessibility support for the TextComponent class.
class	TextField	A TextField object is a text component that allows for the editing of a single line of text.
protected class	TextField.AccessibleAWTTextField	This class implements accessibility support for the TextField class.
class	TexturePaint	The TexturePaint class provides a way to fill a Shape with a texture that is specified as a BufferedImage.
class	Toolkit	This class is the abstract superclass of all actual implementations of the Abstract Window Toolkit.
class	TrayIcon	A TrayIcon object represents a tray icon that can be added to the system tray.
class	Window	A Window object is a top-level window with no borders and no menubar.
protected class	Window.AccessibleAWTWindow	This class implements accessibility support for the Window class.

Fields in java.awt declared as Object

Modifier and Type	Field	Description
Object	Event.arg	Deprecated. An arbitrary argument of the event.
Object	Event.target	Deprecated. The target component.
static final Object	Image.UndefinedProperty	The UndefinedProperty object should be returned whenever a property which was not defined for a particular image is fetched.
static final Object	RenderingHints.VALUE_ALPHA_INTERPOLATION_DEFAULT	Alpha interpolation hint value -- alpha blending algorithms are chosen by the implementation for a good tradeoff of performance vs. quality.
static final Object	RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY	Alpha interpolation hint value -- alpha blending algorithms are chosen with a preference for precision and visual quality.
static final Object	RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED	Alpha interpolation hint value -- alpha blending algorithms are chosen with a preference for calculation speed.
static final Object	RenderingHints.VALUE_ANTIALIAS_DEFAULT	Antialiasing hint value -- rendering is done with a default antialiasing mode chosen by the implementation.
static final Object	RenderingHints.VALUE_ANTIALIAS_OFF	Antialiasing hint value -- rendering is done without antialiasing.
static final Object	RenderingHints.VALUE_ANTIALIAS_ON	Antialiasing hint value -- rendering is done with antialiasing.
static final Object	RenderingHints.VALUE_COLOR_RENDER_DEFAULT	Color rendering hint value -- perform color conversion calculations as chosen by the implementation to represent the best available tradeoff between performance and accuracy.
static final Object	RenderingHints.VALUE_COLOR_RENDER_QUALITY	Color rendering hint value -- perform the color conversion calculations with the highest accuracy and visual quality.
static final Object	RenderingHints.VALUE_COLOR_RENDER_SPEED	Color rendering hint value -- perform the fastest color conversion to the format of the output device.
static final Object	RenderingHints.VALUE_DITHER_DEFAULT	Dithering hint value -- use a default for dithering chosen by the implementation.
static final Object	RenderingHints.VALUE_DITHER_DISABLE	Dithering hint value -- do not dither when rendering geometry.
static final Object	RenderingHints.VALUE_DITHER_ENABLE	Dithering hint value -- dither when rendering geometry, if needed.
static final Object	RenderingHints.VALUE_FRACTIONALMETRICS_DEFAULT	Font fractional metrics hint value -- character glyphs are positioned with accuracy chosen by the implementation.
static final Object	RenderingHints.VALUE_FRACTIONALMETRICS_OFF	Font fractional metrics hint value -- character glyphs are positioned with advance widths rounded to pixel boundaries.
static final Object	RenderingHints.VALUE_FRACTIONALMETRICS_ON	Font fractional metrics hint value -- character glyphs are positioned with sub-pixel accuracy.
static final Object	RenderingHints.VALUE_INTERPOLATION_BICUBIC	Interpolation hint value -- the color samples of 9 nearby integer coordinate samples in the image are interpolated using a cubic function in both X and Y to produce a color sample.
static final Object	RenderingHints.VALUE_INTERPOLATION_BILINEAR	Interpolation hint value -- the color samples of the 4 nearest neighboring integer coordinate samples in the image are interpolated linearly to produce a color sample.
static final Object	RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR	Interpolation hint value -- the color sample of the nearest neighboring integer coordinate sample in the image is used.
static final Object	RenderingHints.VALUE_RENDER_DEFAULT	Rendering hint value -- rendering algorithms are chosen by the implementation for a good tradeoff of performance vs. quality.
static final Object	RenderingHints.VALUE_RENDER_QUALITY	Rendering hint value -- rendering algorithms are chosen with a preference for output quality.
static final Object	RenderingHints.VALUE_RENDER_SPEED	Rendering hint value -- rendering algorithms are chosen with a preference for output speed.
static final Object	RenderingHints.VALUE_RESOLUTION_VARIANT_BASE	Image resolution variant hint value -- the standard resolution of an image is always used.
static final Object	RenderingHints.VALUE_RESOLUTION_VARIANT_DEFAULT	Image resolution variant hint value -- an image resolution variant is chosen based on a default heuristic which may depend on the policies of the platform
static final Object	RenderingHints.VALUE_RESOLUTION_VARIANT_DPI_FIT	Image resolution variant hint value -- an image resolution variant is chosen based only on the DPI of the screen.
static final Object	RenderingHints.VALUE_RESOLUTION_VARIANT_SIZE_FIT	Image resolution variant hint value -- an image resolution variant is chosen based on the DPI of the screen and the transform in the Graphics2D context.
static final Object	RenderingHints.VALUE_STROKE_DEFAULT	Stroke normalization control hint value -- geometry may be modified or left pure depending on the tradeoffs in a given implementation.
static final Object	RenderingHints.VALUE_STROKE_NORMALIZE	Stroke normalization control hint value -- geometry should be normalized to improve uniformity or spacing of lines and overall aesthetics.
static final Object	RenderingHints.VALUE_STROKE_PURE	Stroke normalization control hint value -- geometry should be left unmodified and rendered with sub-pixel accuracy.
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT	Text antialiasing hint value -- text rendering is done according to the RenderingHints.KEY_ANTIALIASING hint or a default chosen by the implementation.
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_GASP	Text antialiasing hint value -- text rendering is requested to use information in the font resource which specifies for each point size whether to apply RenderingHints.VALUE_TEXT_ANTIALIAS_ON or RenderingHints.VALUE_TEXT_ANTIALIAS_OFF.
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HBGR	Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixels in order from display left to right of B,G,R such that the horizontal subpixel resolution is three times that of the full pixel horizontal resolution (HBGR).
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB	Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixels in order from display left to right of R,G,B such that the horizontal subpixel resolution is three times that of the full pixel horizontal resolution (HRGB).
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VBGR	Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixel organisation from display top to bottom of B,G,R such that the vertical subpixel resolution is three times that of the full pixel vertical resolution (VBGR).
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_VRGB	Text antialiasing hint value -- request that text be displayed optimised for an LCD display with subpixel organisation from display top to bottom of R,G,B such that the vertical subpixel resolution is three times that of the full pixel vertical resolution (VRGB).
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_OFF	Text antialiasing hint value -- text rendering is done without any form of antialiasing.
static final Object	RenderingHints.VALUE_TEXT_ANTIALIAS_ON	Text antialiasing hint value -- text rendering is done with some form of antialiasing.

Fields in java.awt with type parameters of type Object

Modifier and Type	Field	Description
protected final Map<String,Object>	Toolkit.desktopProperties	The desktop properties.

Methods in java.awt that return Object

Modifier and Type	Method	Description
Object	BufferCapabilities.clone()
Object	GridBagConstraints.clone()	Creates a copy of this grid bag constraint.
Object	ImageCapabilities.clone()
Object	Insets.clone()	Create a copy of this object.
Object	JobAttributes.clone()	Creates and returns a copy of this JobAttributes.
Object	PageAttributes.clone()	Creates and returns a copy of this PageAttributes.
Object	RenderingHints.clone()	Creates a clone of this RenderingHints object that has the same contents as this RenderingHints object.
Object	RenderingHints.get(Object key)	Returns the value to which the specified key is mapped.
Object	BorderLayout.getConstraints(Component comp)	Gets the constraints for the specified component
final Object	Toolkit.getDesktopProperty(String propertyName)	Obtains a value for the specified desktop property.
Object[]	MediaTracker.getErrorsAny()	Returns a list of all media that have encountered an error.
Object[]	MediaTracker.getErrorsID(int id)	Returns a list of media with the specified ID that have encountered an error.
abstract Object	Image.getProperty(String name, ImageObserver observer)	Gets a property of this image by name.
abstract Object	Graphics2D.getRenderingHint(RenderingHints.Key hintKey)	Returns the value of a single preference for the rendering algorithms.
Object[]	Checkbox.getSelectedObjects()	Returns an array (length 1) containing the checkbox label or null if the checkbox is not selected.
Object[]	CheckboxMenuItem.getSelectedObjects()	Returns the array (length 1) containing the checkbox menu item label or null if the checkbox is not selected.
Object[]	Choice.getSelectedObjects()	Returns an array (length 1) containing the currently selected item.
Object[]	ItemSelectable.getSelectedObjects()	Returns the selected items or null if no items are selected.
Object[]	List.getSelectedObjects()	Gets the selected items on this scrolling list in an array of Objects.
final Object	Component.getTreeLock()	Gets this component's locking object (the object that owns the thread synchronization monitor) for AWT component-tree and layout operations.
protected final Object	MenuComponent.getTreeLock()	Gets this component's locking object (the object that owns the thread synchronization monitor) for AWT component-tree and layout operations.
protected Object	Toolkit.lazilyLoadDesktopProperty(String name)	An opportunity to lazily evaluate desktop property values.
Object	RenderingHints.put(Object key, Object value)	Maps the specified key to the specified value in this RenderingHints object.
protected Object	AWTKeyStroke.readResolve()	Returns a cached instance of AWTKeyStroke (or a subclass of AWTKeyStroke) which is equal to this instance.
Object	RenderingHints.remove(Object key)	Removes the key and its corresponding value from this RenderingHints object.

Methods in java.awt that return types with arguments of type Object

Modifier and Type	Method	Description
Set<Map.Entry<Object,Object>>	RenderingHints.entrySet()	Returns a Set view of the mappings contained in this RenderingHints.
Set<Map.Entry<Object,Object>>	RenderingHints.entrySet()	Returns a Set view of the mappings contained in this RenderingHints.
Set<Object>	RenderingHints.keySet()	Returns a Set view of the Keys contained in this RenderingHints.
Collection<Object>	RenderingHints.values()	Returns a Collection view of the values contained in this RenderingHints.

Methods in java.awt with parameters of type Object

Modifier and Type	Method	Description
boolean	Component.action(Event evt, Object what)	Deprecated. As of JDK version 1.1, should register this component as ActionListener on component which fires action events.
void	Container.add(Component comp, Object constraints)	Adds the specified component to the end of this container.
void	Container.add(Component comp, Object constraints, int index)	Adds the specified component to this container with the specified constraints at the specified index.
protected void	Container.addImpl(Component comp, Object constraints, int index)	Adds the specified component to this container at the specified index.
protected final void	ScrollPane.addImpl(Component comp, Object constraints, int index)	Adds the specified component to this scroll pane container.
void	BorderLayout.addLayoutComponent(Component comp, Object constraints)	Adds the specified component to the layout, using the specified constraint object.
void	CardLayout.addLayoutComponent(Component comp, Object constraints)	Adds the specified component to this card layout's internal table of names.
void	GridBagLayout.addLayoutComponent(Component comp, Object constraints)	Adds the specified component to the layout, using the specified constraints object.
void	LayoutManager2.addLayoutComponent(Component comp, Object constraints)	Adds the specified component to the layout, using the specified constraint object.
boolean	RenderingHints.containsKey(Object key)	Returns true if this RenderingHints contains a mapping for the specified key.
boolean	RenderingHints.containsValue(Object value)	Returns true if this RenderingHints maps one or more keys to the specified value.
boolean	AlphaComposite.equals(Object obj)	Determines whether the specified object is equal to this AlphaComposite.
final boolean	AWTKeyStroke.equals(Object anObject)	Returns true if this object is identical to the specified object.
boolean	BasicStroke.equals(Object obj)	Tests if a specified object is equal to this BasicStroke by first testing if it is a BasicStroke and then comparing its width, join, cap, miter limit, dash, and dash phase attributes with those of this BasicStroke.
boolean	Color.equals(Object obj)	Determines whether another object is equal to this Color.
boolean	Dimension.equals(Object obj)	Checks whether two dimension objects have equal values.
boolean	Font.equals(Object obj)	Compares this Font object to the specified Object.
boolean	Insets.equals(Object obj)	Checks whether two insets objects are equal.
boolean	JobAttributes.equals(Object obj)	Determines whether two JobAttributes are equal to each other.
boolean	MenuShortcut.equals(Object obj)	Returns whether this MenuShortcut is the same as another: equality is defined to mean that both MenuShortcuts use the same key and both either use or don't use the SHIFT key.
boolean	PageAttributes.equals(Object obj)	Determines whether two PageAttributes are equal to each other.
boolean	Point.equals(Object obj)	Determines whether or not two points are equal.
boolean	Rectangle.equals(Object obj)	Checks whether two rectangles are equal.
boolean	RenderingHints.equals(Object o)	Compares the specified Object with this RenderingHints for equality.
final boolean	RenderingHints.Key.equals(Object o)	The equals method for all Key objects will return the same result as the equality operator '=='.
protected void	Component.firePropertyChange(String propertyName, Object oldValue, Object newValue)	Support for reporting bound property changes for Object properties.
protected void	KeyboardFocusManager.firePropertyChange(String propertyName, Object oldValue, Object newValue)	Fires a PropertyChangeEvent in response to a change in a bound property.
protected void	KeyboardFocusManager.fireVetoableChange(String propertyName, Object oldValue, Object newValue)	Fires a PropertyChangeEvent in response to a change in a vetoable property.
Object	RenderingHints.get(Object key)	Returns the value to which the specified key is mapped.
Component	BorderLayout.getLayoutComponent(Container target, Object constraints)	Returns the component that corresponds to the given constraint location based on the target Container's component orientation.
Component	BorderLayout.getLayoutComponent(Object constraints)	Gets the component that was added using the given constraint
boolean	Component.gotFocus(Event evt, Object what)	Deprecated. As of JDK version 1.1, replaced by processFocusEvent(FocusEvent).
abstract boolean	RenderingHints.Key.isCompatibleValue(Object val)	Returns true if the specified object is a valid value for this Key.
boolean	Component.lostFocus(Event evt, Object what)	Deprecated. As of JDK version 1.1, replaced by processFocusEvent(FocusEvent).
Object	RenderingHints.put(Object key, Object value)	Maps the specified key to the specified value in this RenderingHints object.
Object	RenderingHints.remove(Object key)	Removes the key and its corresponding value from this RenderingHints object.
protected final void	Toolkit.setDesktopProperty(String name, Object newValue)	Sets the named desktop property to the specified value and fires a property change event to notify any listeners that the value has changed.
abstract void	Graphics2D.setRenderingHint(RenderingHints.Key hintKey, Object hintValue)	Sets the value of a single preference for the rendering algorithms.
void	AWTEvent.setSource(Object newSource)	Retargets an event to a new source.

Constructors in java.awt with parameters of type Object

Modifier	Constructor	Description
	AWTEvent(Object source, int id)	Constructs an AWTEvent object with the specified source object and type.
	Event(Object target, int id, Object arg)	Deprecated. NOTE: The Event class is obsolete and is available only for backwards compatibility.
	Event(Object target, long when, int id, int x, int y, int key, int modifiers)	Deprecated. NOTE: The Event class is obsolete and is available only for backwards compatibility.
	Event(Object target, long when, int id, int x, int y, int key, int modifiers, Object arg)	Deprecated. NOTE: The Event class is obsolete and is available only for backwards compatibility.
	RenderingHints(RenderingHints.Key key, Object value)	Constructs a new object with the specified key/value pair.

Uses of Object in java.awt.color

Subclasses of Object in java.awt.color

Modifier and Type	Class	Description
class	CMMException	This exception is thrown if the native CMM returns an error.
class	ColorSpace	This abstract class is used to serve as a color space tag to identify the specific color space of a Color object or, via a ColorModel object, of an Image, a BufferedImage, or a GraphicsDevice.
class	ICC_ColorSpace	The ICC_ColorSpace class is an implementation of the abstract ColorSpace class.
class	ICC_Profile	A representation of color profile data for device independent and device dependent color spaces based on the International Color Consortium Specification ICC.1:2001-12, File Format for Color Profiles, (see http://www.color.org).
final class	ICC_ProfileGray	The ICC_ProfileGray class is a subclass of the ICC_Profile class that represents profiles which meet the following criteria: the color space type of the profile is TYPE_GRAY and the profile includes the grayTRCTag and mediaWhitePointTag tags.
final class	ICC_ProfileRGB	The ICC_ProfileRGB class is a subclass of the ICC_Profile class that represents profiles which meet the following criteria: the profile's color space type is RGB, and the profile includes the redColorantTag, greenColorantTag, blueColorantTag, redTRCTag, greenTRCTag, blueTRCTag, mediaWhitePointTag tags.
class	ProfileDataException	This exception is thrown when an error occurs in accessing or processing an ICC_Profile object.

Methods in java.awt.color that return Object

Modifier and Type	Method	Description
protected Object	ICC_Profile.readResolve()	Resolves instances being deserialized into instances registered with CMM.

Uses of Object in java.awt.datatransfer

Subclasses of Object in java.awt.datatransfer

Modifier and Type	Class	Description
class	Clipboard	A class that implements a mechanism to transfer data using cut/copy/paste operations.
class	DataFlavor	A DataFlavor provides meta information about data.
class	FlavorEvent	FlavorEvent is used to notify interested parties that available DataFlavors have changed in the Clipboard (the event source).
class	MimeTypeParseException	A class to encapsulate MimeType parsing related exceptions.
class	StringSelection	A Transferable which implements the capability required to transfer a String.
final class	SystemFlavorMap	The SystemFlavorMap is a configurable map between "natives" (Strings), which correspond to platform-specific data formats, and "flavors" (DataFlavors), which correspond to platform-independent MIME types.
class	UnsupportedFlavorException	Signals that the requested data is not supported in this flavor.

Methods in java.awt.datatransfer that return Object

Modifier and Type	Method	Description
Object	DataFlavor.clone()	Returns a clone of this DataFlavor.
Object	Clipboard.getData(DataFlavor flavor)	Returns an object representing the current contents of this clipboard in the specified DataFlavor.
Object	StringSelection.getTransferData(DataFlavor flavor)	Returns the Transferable's data in the requested DataFlavor if possible.
Object	Transferable.getTransferData(DataFlavor flavor)	Returns an object which represents the data to be transferred.

Methods in java.awt.datatransfer with parameters of type Object

Modifier and Type	Method	Description
boolean	DataFlavor.equals(Object o)	Indicates whether some other object is "equal to" this one.
Transferable	Clipboard.getContents(Object requestor)	Returns a transferable object representing the current contents of the clipboard.

Uses of Object in java.awt.desktop

Subclasses of Object in java.awt.desktop

Modifier and Type	Class	Description
final class	AboutEvent	Event sent when the application is asked to open its about window.
class	AppEvent	AppEvents are sent to listeners and handlers installed on the Desktop instance of the current desktop context.
final class	AppForegroundEvent	Event sent when the application has become the foreground app, and when it is no longer the foreground app.
final class	AppHiddenEvent	Event sent when the application has been hidden or shown.
final class	AppReopenedEvent	Event sent when the application is asked to re-open itself.
class	FilesEvent	Auxiliary event containing a list of files.
final class	OpenFilesEvent	Event sent when the app is asked to open a list of files.
final class	OpenURIEvent	Event sent when the app is asked to open a URI.
final class	PreferencesEvent	Event sent when the application is asked to open its preferences window.
final class	PrintFilesEvent	Event sent when the app is asked to print a list of files.
final class	QuitEvent	Event sent when the application is asked to quit.
final class	ScreenSleepEvent	Event sent when the displays attached to the system enter and exit power save sleep.
final class	SystemSleepEvent	Event sent when the system enters and exits power save sleep.
final class	UserSessionEvent	Event sent when the user session has been changed.

Uses of Object in java.awt.dnd

Subclasses of Object in java.awt.dnd

Modifier and Type	Class	Description
final class	DnDConstants	This class contains constant values representing the type of action(s) to be performed by a Drag and Drop operation.
class	DragGestureEvent	A DragGestureEvent is passed to DragGestureListener's dragGestureRecognized() method when a particular DragGestureRecognizer detects that a platform dependent drag initiating gesture has occurred on the Component that it is tracking.
class	DragGestureRecognizer	The DragGestureRecognizer is an abstract base class for the specification of a platform-dependent listener that can be associated with a particular Component in order to identify platform-dependent drag initiating gestures.
class	DragSource	The DragSource is the entity responsible for the initiation of the Drag and Drop operation, and may be used in a number of scenarios: 1 default instance per JVM for the lifetime of that JVM.
class	DragSourceAdapter	An abstract adapter class for receiving drag source events.
class	DragSourceContext	The DragSourceContext class is responsible for managing the initiator side of the Drag and Drop protocol.
class	DragSourceDragEvent	The DragSourceDragEvent is delivered from the DragSourceContextPeer, via the DragSourceContext, to the DragSourceListener registered with that DragSourceContext and with its associated DragSource.
class	DragSourceDropEvent	The DragSourceDropEvent is delivered from the DragSourceContextPeer, via the DragSourceContext, to the dragDropEnd method of DragSourceListeners registered with that DragSourceContext and with its associated DragSource.
class	DragSourceEvent	This class is the base class for DragSourceDragEvent and DragSourceDropEvent.
class	DropTarget	The DropTarget is associated with a Component when that Component wishes to accept drops during Drag and Drop operations.
protected static class	DropTarget.DropTargetAutoScroller	this protected nested class implements autoscrolling
class	DropTargetAdapter	An abstract adapter class for receiving drop target events.
final class	DropTargetContext	A DropTargetContext is created whenever the logical cursor associated with a Drag and Drop operation coincides with the visible geometry of a Component associated with a DropTarget.
protected class	DropTargetContext.TransferableProxy	TransferableProxy is a helper inner class that implements Transferable interface and serves as a proxy for another Transferable object which represents data transfer for a particular drag-n-drop operation.
class	DropTargetDragEvent	The DropTargetDragEvent is delivered to a DropTargetListener via its dragEnter() and dragOver() methods.
class	DropTargetDropEvent	The DropTargetDropEvent is delivered via the DropTargetListener drop() method.
class	DropTargetEvent	The DropTargetEvent is the base class for both the DropTargetDragEvent and the DropTargetDropEvent.
class	InvalidDnDOperationException	This exception is thrown by various methods in the java.awt.dnd package.
class	MouseDragGestureRecognizer	This abstract subclass of DragGestureRecognizer defines a DragGestureRecognizer for mouse-based gestures.

Methods in java.awt.dnd that return Object

Modifier and Type	Method	Description
Object	DropTargetContext.TransferableProxy.getTransferData(DataFlavor df)	Returns an object which represents the data provided by the encapsulated transferable for the requested data flavor.
Object[]	DragGestureEvent.toArray()	Returns an Object array of the events comprising the drag gesture.
Object[]	DragGestureEvent.toArray(Object[] array)	Returns an array of the events comprising the drag gesture.

Methods in java.awt.dnd with parameters of type Object

Modifier and Type	Method	Description
Object[]	DragGestureEvent.toArray(Object[] array)	Returns an array of the events comprising the drag gesture.

Uses of Object in java.awt.event

Subclasses of Object in java.awt.event

Modifier and Type	Class	Description
class	ActionEvent	A semantic event which indicates that a component-defined action occurred.
class	AdjustmentEvent	The adjustment event emitted by Adjustable objects like Scrollbar and ScrollPane.
class	AWTEventListenerProxy	A class which extends the EventListenerProxy specifically for adding an AWTEventListener for a specific event mask.
class	ComponentAdapter	An abstract adapter class for receiving component events.
class	ComponentEvent	A low-level event which indicates that a component moved, changed size, or changed visibility (also, the root class for the other component-level events).
class	ContainerAdapter	An abstract adapter class for receiving container events.
class	ContainerEvent	A low-level event which indicates that a container's contents changed because a component was added or removed.
class	FocusAdapter	An abstract adapter class for receiving keyboard focus events.
class	FocusEvent	A low-level event which indicates that a Component has gained or lost the input focus.
class	HierarchyBoundsAdapter	An abstract adapter class for receiving ancestor moved and resized events.
class	HierarchyEvent	An event which indicates a change to the Component hierarchy to which Component belongs.
class	InputEvent	The root event class for all component-level input events.
class	InputMethodEvent	Input method events contain information about text that is being composed using an input method.
class	InvocationEvent	An event which executes the run() method on a Runnable when dispatched by the AWT event dispatcher thread.
class	ItemEvent	A semantic event which indicates that an item was selected or deselected.
class	KeyAdapter	An abstract adapter class for receiving keyboard events.
class	KeyEvent	An event which indicates that a keystroke occurred in a component.
class	MouseAdapter	An abstract adapter class for receiving mouse events.
class	MouseEvent	An event which indicates that a mouse action occurred in a component.
class	MouseMotionAdapter	An abstract adapter class for receiving mouse motion events.
class	MouseWheelEvent	An event which indicates that the mouse wheel was rotated in a component.
class	PaintEvent	The component-level paint event.
class	TextEvent	A semantic event which indicates that an object's text changed.
class	WindowAdapter	An abstract adapter class for receiving window events.
class	WindowEvent	A low-level event that indicates that a window has changed its status.

Fields in java.awt.event declared as Object

Modifier and Type	Field	Description
protected Object	InvocationEvent.notifier	The (potentially null) Object whose notifyAll() method will be called immediately after the Runnable.run() method has returned or thrown an exception or after the event was disposed.

Methods in java.awt.event that return Object

Modifier and Type	Method	Description
Object	ItemEvent.getItem()	Returns the item affected by the event.

Constructors in java.awt.event with parameters of type Object

Modifier	Constructor	Description
	ActionEvent(Object source, int id, String command)	Constructs an ActionEvent object.
	ActionEvent(Object source, int id, String command, int modifiers)	Constructs an ActionEvent object with modifier keys.
	ActionEvent(Object source, int id, String command, long when, int modifiers)	Constructs an ActionEvent object with the specified modifier keys and timestamp.
protected	InvocationEvent(Object source, int id, Runnable runnable, Object notifier, boolean catchThrowables)	Constructs an InvocationEvent with the specified source and ID which will execute the runnable's run() method when dispatched.
	InvocationEvent(Object source, Runnable runnable)	Constructs an InvocationEvent with the specified source which will execute the runnable's run() method when dispatched.
	InvocationEvent(Object source, Runnable runnable, Object notifier, boolean catchThrowables)	Constructs an InvocationEvent with the specified source which will execute the runnable's run() method when dispatched.
	InvocationEvent(Object source, Runnable runnable, Runnable listener, boolean catchThrowables)	Constructs an InvocationEvent with the specified source which will execute the runnable's run() method when dispatched.
	ItemEvent(ItemSelectable source, int id, Object item, int stateChange)	Constructs an ItemEvent object.
	TextEvent(Object source, int id)	Constructs a TextEvent object.

Uses of Object in java.awt.font

Subclasses of Object in java.awt.font

Modifier and Type	Class	Description
class	FontRenderContext	The FontRenderContext class is a container for the information needed to correctly measure text.
final class	GlyphJustificationInfo	The GlyphJustificationInfo class represents information about the justification properties of a glyph.
final class	GlyphMetrics	The GlyphMetrics class represents information for a single glyph.
class	GlyphVector	A GlyphVector object is a collection of glyphs containing geometric information for the placement of each glyph in a transformed coordinate space which corresponds to the device on which the GlyphVector is ultimately displayed.
class	GraphicAttribute	This class is used with the CHAR_REPLACEMENT attribute.
final class	ImageGraphicAttribute	The ImageGraphicAttribute class is an implementation of GraphicAttribute which draws images in a TextLayout.
class	LayoutPath	LayoutPath provides a mapping between locations relative to the baseline and points in user space.
final class	LineBreakMeasurer	The LineBreakMeasurer class allows styled text to be broken into lines (or segments) that fit within a particular visual advance.
class	LineMetrics	The LineMetrics class allows access to the metrics needed to layout characters along a line and to layout of a set of lines.
final class	NumericShaper	The NumericShaper class is used to convert Latin-1 (European) digits to other Unicode decimal digits.
final class	ShapeGraphicAttribute	The ShapeGraphicAttribute class is an implementation of GraphicAttribute that draws shapes in a TextLayout.
final class	TextAttribute	The TextAttribute class defines attribute keys and attribute values used for text rendering.
final class	TextHitInfo	The TextHitInfo class represents a character position in a text model, and a bias, or "side," of the character.
final class	TextLayout	TextLayout is an immutable graphical representation of styled character data.
static class	TextLayout.CaretPolicy	Defines a policy for determining the strong caret location.
final class	TextMeasurer	The TextMeasurer class provides the primitive operations needed for line break: measuring up to a given advance, determining the advance of a range of characters, and generating a TextLayout for a range of characters.
final class	TransformAttribute	The TransformAttribute class provides an immutable wrapper for a transform so that it is safe to use as an attribute.

Methods in java.awt.font that return Object

Modifier and Type	Method	Description
protected Object	TextLayout.clone()	Creates a copy of this TextLayout.
protected Object	TextMeasurer.clone()
Object	FontRenderContext.getAntiAliasingHint()	Return the text anti-aliasing rendering mode hint used in this FontRenderContext.
Object	FontRenderContext.getFractionalMetricsHint()	Return the text fractional metrics rendering mode hint used in this FontRenderContext.
protected Object	TextAttribute.readResolve()	Resolves instances being deserialized to the predefined constants.

Methods in java.awt.font with parameters of type Object

Modifier and Type	Method	Description
boolean	FontRenderContext.equals(Object obj)	Return true if obj is an instance of FontRenderContext and has the same transform, antialiasing, and fractional metrics values as this.
boolean	ImageGraphicAttribute.equals(Object rhs)	Compares this ImageGraphicAttribute to the specified Object.
boolean	NumericShaper.equals(Object o)	Returns true if the specified object is an instance of NumericShaper and shapes identically to this one, regardless of the range representations, the bit mask or the enum.
boolean	ShapeGraphicAttribute.equals(Object rhs)	Compares this ShapeGraphicAttribute to the specified Object.
boolean	TextHitInfo.equals(Object obj)	Returns true if the specified Object is a TextHitInfo and equals this TextHitInfo.
boolean	TransformAttribute.equals(Object rhs)	Returns true if rhs is a TransformAttribute whose transform is equal to this TransformAttribute's transform.

Constructors in java.awt.font with parameters of type Object

Modifier	Constructor	Description
	FontRenderContext(AffineTransform tx, Object aaHint, Object fmHint)	Constructs a FontRenderContext object from an optional AffineTransform and two Object values that determine if the newly constructed object has anti-aliasing or fractional metrics.

Uses of Object in java.awt.geom

Subclasses of Object in java.awt.geom

Modifier and Type	Class	Description
class	AffineTransform	The AffineTransform class represents a 2D affine transform that performs a linear mapping from 2D coordinates to other 2D coordinates that preserves the "straightness" and "parallelness" of lines.
class	Arc2D	Arc2D is the abstract superclass for all objects that store a 2D arc defined by a framing rectangle, start angle, angular extent (length of the arc), and a closure type (OPEN, CHORD, or PIE).
static class	Arc2D.Double	This class defines an arc specified in double precision.
static class	Arc2D.Float	This class defines an arc specified in float precision.
class	Area	An Area object stores and manipulates a resolution-independent description of an enclosed area of 2-dimensional space.
class	CubicCurve2D	The CubicCurve2D class defines a cubic parametric curve segment in (x,y) coordinate space.
static class	CubicCurve2D.Double	A cubic parametric curve segment specified with double coordinates.
static class	CubicCurve2D.Float	A cubic parametric curve segment specified with float coordinates.
class	Dimension2D	The Dimension2D class is to encapsulate a width and a height dimension.
class	Ellipse2D	The Ellipse2D class describes an ellipse that is defined by a framing rectangle.
static class	Ellipse2D.Double	The Double class defines an ellipse specified in double precision.
static class	Ellipse2D.Float	The Float class defines an ellipse specified in float precision.
class	FlatteningPathIterator	The FlatteningPathIterator class returns a flattened view of another PathIterator object.
final class	GeneralPath	The GeneralPath class represents a geometric path constructed from straight lines, and quadratic and cubic (Bézier) curves.
class	IllegalPathStateException	The IllegalPathStateException represents an exception that is thrown if an operation is performed on a path that is in an illegal state with respect to the particular operation being performed, such as appending a path segment to a GeneralPath without an initial moveto.
class	Line2D	This Line2D represents a line segment in (x,y) coordinate space.
static class	Line2D.Double	A line segment specified with double coordinates.
static class	Line2D.Float	A line segment specified with float coordinates.
class	NoninvertibleTransformException	The NoninvertibleTransformException class represents an exception that is thrown if an operation is performed requiring the inverse of an AffineTransform object but the AffineTransform is in a non-invertible state.
class	Path2D	The Path2D class provides a simple, yet flexible shape which represents an arbitrary geometric path.
static class	Path2D.Double	The Double class defines a geometric path with coordinates stored in double precision floating point.
static class	Path2D.Float	The Float class defines a geometric path with coordinates stored in single precision floating point.
class	Point2D	The Point2D class defines a point representing a location in (x,y) coordinate space.
static class	Point2D.Double	The Double class defines a point specified in double precision.
static class	Point2D.Float	The Float class defines a point specified in float precision.
class	QuadCurve2D	The QuadCurve2D class defines a quadratic parametric curve segment in (x,y) coordinate space.
static class	QuadCurve2D.Double	A quadratic parametric curve segment specified with double coordinates.
static class	QuadCurve2D.Float	A quadratic parametric curve segment specified with float coordinates.
class	Rectangle2D	The Rectangle2D class describes a rectangle defined by a location (x,y) and dimension (w x h).
static class	Rectangle2D.Double	The Double class defines a rectangle specified in double coordinates.
static class	Rectangle2D.Float	The Float class defines a rectangle specified in float coordinates.
class	RectangularShape	RectangularShape is the base class for a number of Shape objects whose geometry is defined by a rectangular frame.
class	RoundRectangle2D	The RoundRectangle2D class defines a rectangle with rounded corners defined by a location (x,y), a dimension (w x h), and the width and height of an arc with which to round the corners.
static class	RoundRectangle2D.Double	The Double class defines a rectangle with rounded corners all specified in double coordinates.
static class	RoundRectangle2D.Float	The Float class defines a rectangle with rounded corners all specified in float coordinates.

Methods in java.awt.geom that return Object

Modifier and Type	Method	Description
Object	AffineTransform.clone()	Returns a copy of this AffineTransform object.
Object	Area.clone()	Returns an exact copy of this Area object.
Object	CubicCurve2D.clone()	Creates a new object of the same class as this object.
Object	Dimension2D.clone()	Creates a new object of the same class as this object.
Object	Line2D.clone()	Creates a new object of the same class as this object.
abstract Object	Path2D.clone()	Creates a new object of the same class as this object.
final Object	Path2D.Double.clone()	Creates a new object of the same class as this object.
final Object	Path2D.Float.clone()	Creates a new object of the same class as this object.
Object	Point2D.clone()	Creates a new object of the same class and with the same contents as this object.
Object	QuadCurve2D.clone()	Creates a new object of the same class and with the same contents as this object.
Object	RectangularShape.clone()	Creates a new object of the same class and with the same contents as this object.

Methods in java.awt.geom with parameters of type Object

Modifier and Type	Method	Description
boolean	AffineTransform.equals(Object obj)	Returns true if this AffineTransform represents the same affine coordinate transform as the specified argument.
boolean	Arc2D.equals(Object obj)	Determines whether or not the specified Object is equal to this Arc2D.
boolean	Ellipse2D.equals(Object obj)	Determines whether or not the specified Object is equal to this Ellipse2D.
boolean	Point2D.equals(Object obj)	Determines whether or not two points are equal.
boolean	Rectangle2D.equals(Object obj)	Determines whether or not the specified Object is equal to this Rectangle2D.
boolean	RoundRectangle2D.equals(Object obj)	Determines whether or not the specified Object is equal to this RoundRectangle2D.

Uses of Object in java.awt.im

Subclasses of Object in java.awt.im

Modifier and Type	Class	Description
class	InputContext	Provides methods to control text input facilities such as input methods and keyboard layouts.
class	InputMethodHighlight	An InputMethodHighlight is used to describe the highlight attributes of text being composed.
final class	InputSubset	Defines additional Unicode subsets for use by input methods.

Methods in java.awt.im that return Object

Modifier and Type	Method	Description
Object	InputContext.getInputMethodControlObject()	Returns a control object from the current input method, or null.

Uses of Object in java.awt.im.spi

Methods in java.awt.im.spi that return Object

Modifier and Type	Method	Description
Object	InputMethod.getControlObject()	Returns a control object from this input method, or null.

Uses of Object in java.awt.image

Subclasses of Object in java.awt.image

Modifier and Type	Class	Description
class	AbstractMultiResolutionImage	This class provides default implementations of several Image methods for classes that want to implement the MultiResolutionImage interface.
class	AffineTransformOp	This class uses an affine transform to perform a linear mapping from 2D coordinates in the source image or Raster to 2D coordinates in the destination image or Raster.
class	AreaAveragingScaleFilter	An ImageFilter class for scaling images using a simple area averaging algorithm that produces smoother results than the nearest neighbor algorithm.
class	BandCombineOp	This class performs an arbitrary linear combination of the bands in a Raster, using a specified matrix.
final class	BandedSampleModel	This class represents image data which is stored in a band interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
class	BaseMultiResolutionImage	This class is an array-based implementation of the AbstractMultiResolutionImage class.
class	BufferedImage	The BufferedImage subclass describes an Image with an accessible buffer of image data.
class	BufferedImageFilter	The BufferedImageFilter class subclasses an ImageFilter to provide a simple means of using a single-source/single-destination image operator (BufferedImageOp) to filter a BufferedImage in the Image Producer/Consumer/Observer paradigm.
class	BufferStrategy	The BufferStrategy class represents the mechanism with which to organize complex memory on a particular Canvas or Window.
class	ByteLookupTable	This class defines a lookup table object.
class	ColorConvertOp	This class performs a pixel-by-pixel color conversion of the data in the source image.
class	ColorModel	The ColorModel abstract class encapsulates the methods for translating a pixel value to color components (for example, red, green, and blue) and an alpha component.
class	ComponentColorModel	A ColorModel class that works with pixel values that represent color and alpha information as separate samples and that store each sample in a separate data element.
class	ComponentSampleModel	This class represents image data which is stored such that each sample of a pixel occupies one data element of the DataBuffer.
class	ConvolveOp	This class implements a convolution from the source to the destination.
class	CropImageFilter	An ImageFilter class for cropping images.
class	DataBuffer	This class exists to wrap one or more data arrays.
final class	DataBufferByte	This class extends DataBuffer and stores data internally as bytes.
final class	DataBufferDouble	This class extends DataBuffer and stores data internally in double form.
final class	DataBufferFloat	This class extends DataBuffer and stores data internally in float form.
final class	DataBufferInt	This class extends DataBuffer and stores data internally as integers.
final class	DataBufferShort	This class extends DataBuffer and stores data internally as shorts.
final class	DataBufferUShort	This class extends DataBuffer and stores data internally as shorts.
class	DirectColorModel	The DirectColorModel class is a ColorModel class that works with pixel values that represent RGB color and alpha information as separate samples and that pack all samples for a single pixel into a single int, short, or byte quantity.
class	FilteredImageSource	This class is an implementation of the ImageProducer interface which takes an existing image and a filter object and uses them to produce image data for a new filtered version of the original image.
class	ImageFilter	This class implements a filter for the set of interface methods that are used to deliver data from an ImageProducer to an ImageConsumer.
class	ImagingOpException	The ImagingOpException is thrown if one of the BufferedImageOp or RasterOp filter methods cannot process the image.
class	IndexColorModel	The IndexColorModel class is a ColorModel class that works with pixel values consisting of a single sample that is an index into a fixed colormap in the default sRGB color space.
class	Kernel	The Kernel class defines a matrix that describes how a specified pixel and its surrounding pixels affect the value computed for the pixel's position in the output image of a filtering operation.
class	LookupOp	This class implements a lookup operation from the source to the destination.
class	LookupTable	This abstract class defines a lookup table object.
class	MemoryImageSource	This class is an implementation of the ImageProducer interface which uses an array to produce pixel values for an Image.
class	MultiPixelPackedSampleModel	The MultiPixelPackedSampleModel class represents one-banded images and can pack multiple one-sample pixels into one data element.
class	PackedColorModel	The PackedColorModel class is an abstract ColorModel class that works with pixel values which represent color and alpha information as separate samples and which pack all samples for a single pixel into a single int, short, or byte quantity.
class	PixelGrabber	The PixelGrabber class implements an ImageConsumer which can be attached to an Image or ImageProducer object to retrieve a subset of the pixels in that image.
class	PixelInterleavedSampleModel	This class represents image data which is stored in a pixel interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
class	Raster	A class representing a rectangular array of pixels.
class	RasterFormatException	The RasterFormatException is thrown if there is invalid layout information in the Raster.
class	ReplicateScaleFilter	An ImageFilter class for scaling images using the simplest algorithm.
class	RescaleOp	This class performs a pixel-by-pixel rescaling of the data in the source image by multiplying the sample values for each pixel by a scale factor and then adding an offset.
class	RGBImageFilter	This class provides an easy way to create an ImageFilter which modifies the pixels of an image in the default RGB ColorModel.
class	SampleModel	This abstract class defines an interface for extracting samples of pixels in an image.
class	ShortLookupTable	This class defines a lookup table object.
class	SinglePixelPackedSampleModel	This class represents pixel data packed such that the N samples which make up a single pixel are stored in a single data array element, and each data data array element holds samples for only one pixel.
class	VolatileImage	VolatileImage is an image which can lose its contents at any time due to circumstances beyond the control of the application (e.g., situations caused by the operating system or by other applications).
class	WritableRaster	This class extends Raster to provide pixel writing capabilities.

Fields in java.awt.image declared as Object

Modifier and Type	Field	Description
protected Object	ReplicateScaleFilter.outpixbuf	A byte array initialized with a size of ReplicateScaleFilter.destWidth and used to deliver a row of pixel data to the ImageConsumer.

Methods in java.awt.image that return Object

Modifier and Type	Method	Description
Object	ImageFilter.clone()	Clones this object.
Object	Kernel.clone()	Clones this object.
Object	BandedSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	ColorModel.getDataElements(float[] normComponents, int normOffset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
Object	ColorModel.getDataElements(int[] components, int offset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
Object	ColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	ComponentColorModel.getDataElements(float[] normComponents, int normOffset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
Object	ComponentColorModel.getDataElements(int[] components, int offset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
Object	ComponentColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	ComponentSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	DirectColorModel.getDataElements(int[] components, int offset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
Object	DirectColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	IndexColorModel.getDataElements(int[] components, int offset, Object pixel)	Returns a data element array representation of a pixel in this ColorModel given an array of unnormalized color/alpha components.
Object	IndexColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	MultiPixelPackedSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	Raster.getDataElements(int x, int y, int w, int h, Object outData)	Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
Object	Raster.getDataElements(int x, int y, Object outData)	Returns data for a single pixel in a primitive array of type TransferType.
Object	SampleModel.getDataElements(int x, int y, int w, int h, Object obj, DataBuffer data)	Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
abstract Object	SampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	SinglePixelPackedSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	PixelGrabber.getPixels()	Get the pixel buffer.
Object	AbstractMultiResolutionImage.getProperty(String name, ImageObserver observer)	This method simply delegates to the same method on the base image and it is equivalent to: getBaseImage().getProperty(name, observer).
Object	BufferedImage.getProperty(String name)	Returns a property of the image by name.
Object	BufferedImage.getProperty(String name, ImageObserver observer)	Returns a property of the image by name.
Object	RenderedImage.getProperty(String name)	Gets a property from the property set of this image.

Methods in java.awt.image with parameters of type Object

Modifier and Type	Method	Description
boolean	ColorModel.equals(Object obj)	This method simply delegates to the default implementation in Object which is identical to an == test since this class cannot enforce the issues of a proper equality test among multiple independent subclass branches.
boolean	ComponentColorModel.equals(Object obj)	Tests if the specified Object is an instance of ComponentColorModel and equals this ComponentColorModel.
boolean	IndexColorModel.equals(Object obj)	Tests if the specified Object is an instance of IndexColorModel and if it equals this IndexColorModel
boolean	PackedColorModel.equals(Object obj)	Tests if the specified Object is an instance of PackedColorModel and equals this PackedColorModel.
int	ColorModel.getAlpha(Object inData)	Returns the alpha component for the specified pixel, scaled from 0 to 255.
int	ComponentColorModel.getAlpha(Object inData)	Returns the alpha component for the specified pixel, scaled from 0 to 255.
int	DirectColorModel.getAlpha(Object inData)	Returns the alpha component for the specified pixel, scaled from 0 to 255.
int	ColorModel.getBlue(Object inData)	Returns the blue color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	ComponentColorModel.getBlue(Object inData)	Returns the blue color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	DirectColorModel.getBlue(Object inData)	Returns the blue color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int[]	ColorModel.getComponents(Object pixel, int[] components, int offset)	Returns an array of unnormalized color/alpha components given a pixel in this ColorModel.
int[]	ComponentColorModel.getComponents(Object pixel, int[] components, int offset)	Returns an array of unnormalized color/alpha components given a pixel in this ColorModel.
final int[]	DirectColorModel.getComponents(Object pixel, int[] components, int offset)	Returns an array of unnormalized color/alpha components given a pixel in this ColorModel.
int[]	IndexColorModel.getComponents(Object pixel, int[] components, int offset)	Returns an array of unnormalized color/alpha components for a specified pixel in this ColorModel.
Object	BandedSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	ColorModel.getDataElements(float[] normComponents, int normOffset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
Object	ColorModel.getDataElements(int[] components, int offset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
Object	ColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	ComponentColorModel.getDataElements(float[] normComponents, int normOffset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of normalized color/alpha components.
Object	ComponentColorModel.getDataElements(int[] components, int offset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
Object	ComponentColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	ComponentSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	DirectColorModel.getDataElements(int[] components, int offset, Object obj)	Returns a data element array representation of a pixel in this ColorModel, given an array of unnormalized color/alpha components.
Object	DirectColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	IndexColorModel.getDataElements(int[] components, int offset, Object pixel)	Returns a data element array representation of a pixel in this ColorModel given an array of unnormalized color/alpha components.
Object	IndexColorModel.getDataElements(int rgb, Object pixel)	Returns a data element array representation of a pixel in this ColorModel, given an integer pixel representation in the default RGB color model.
Object	MultiPixelPackedSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	Raster.getDataElements(int x, int y, int w, int h, Object outData)	Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
Object	Raster.getDataElements(int x, int y, Object outData)	Returns data for a single pixel in a primitive array of type TransferType.
Object	SampleModel.getDataElements(int x, int y, int w, int h, Object obj, DataBuffer data)	Returns the pixel data for the specified rectangle of pixels in a primitive array of type TransferType.
abstract Object	SampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
Object	SinglePixelPackedSampleModel.getDataElements(int x, int y, Object obj, DataBuffer data)	Returns data for a single pixel in a primitive array of type TransferType.
int	ColorModel.getGreen(Object inData)	Returns the green color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	ComponentColorModel.getGreen(Object inData)	Returns the green color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	DirectColorModel.getGreen(Object inData)	Returns the green color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
float[]	ColorModel.getNormalizedComponents(Object pixel, float[] normComponents, int normOffset)	Returns an array of all of the color/alpha components in normalized form, given a pixel in this ColorModel.
float[]	ComponentColorModel.getNormalizedComponents(Object pixel, float[] normComponents, int normOffset)	Returns an array of all of the color/alpha components in normalized form, given a pixel in this ColorModel.
int	ColorModel.getRed(Object inData)	Returns the red color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	ComponentColorModel.getRed(Object inData)	Returns the red color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	DirectColorModel.getRed(Object inData)	Returns the red color component for the specified pixel, scaled from 0 to 255 in the default RGB ColorSpace, sRGB.
int	ColorModel.getRGB(Object inData)	Returns the color/alpha components for the specified pixel in the default RGB color model format.
int	ComponentColorModel.getRGB(Object inData)	Returns the color/alpha components for the specified pixel in the default RGB color model format.
int	DirectColorModel.getRGB(Object inData)	Returns the color/alpha components for the specified pixel in the default RGB color model format.
void	BandedSampleModel.setDataElements(int x, int y, Object obj, DataBuffer data)	Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
void	ComponentSampleModel.setDataElements(int x, int y, Object obj, DataBuffer data)	Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
void	MultiPixelPackedSampleModel.setDataElements(int x, int y, Object obj, DataBuffer data)	Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
void	SampleModel.setDataElements(int x, int y, int w, int h, Object obj, DataBuffer data)	Sets the data for a rectangle of pixels in the specified DataBuffer from a primitive array of type TransferType.
abstract void	SampleModel.setDataElements(int x, int y, Object obj, DataBuffer data)	Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
void	SinglePixelPackedSampleModel.setDataElements(int x, int y, Object obj, DataBuffer data)	Sets the data for a single pixel in the specified DataBuffer from a primitive array of type TransferType.
void	WritableRaster.setDataElements(int x, int y, int w, int h, Object inData)	Sets the data for a rectangle of pixels from a primitive array of type TransferType.
void	WritableRaster.setDataElements(int x, int y, Object inData)	Sets the data for a single pixel from a primitive array of type TransferType.

Uses of Object in java.awt.image.renderable

Subclasses of Object in java.awt.image.renderable

Modifier and Type	Class	Description
class	ParameterBlock	A ParameterBlock encapsulates all the information about sources and parameters (Objects) required by a RenderableImageOp, or other classes that process images.
class	RenderableImageOp	This class handles the renderable aspects of an operation with help from its associated instance of a ContextualRenderedImageFactory.
class	RenderableImageProducer	An adapter class that implements ImageProducer to allow the asynchronous production of a RenderableImage.
class	RenderContext	A RenderContext encapsulates the information needed to produce a specific rendering from a RenderableImage.

Fields in java.awt.image.renderable with type parameters of type Object

Modifier and Type	Field	Description
protected Vector<Object>	ParameterBlock.parameters	A Vector of non-source parameters, stored as arbitrary Objects.
protected Vector<Object>	ParameterBlock.sources	A Vector of sources, stored as arbitrary Objects.

Methods in java.awt.image.renderable that return Object

Modifier and Type	Method	Description
Object	ParameterBlock.clone()	Creates a copy of a ParameterBlock.
Object	RenderContext.clone()	Makes a copy of a RenderContext.
Object	ParameterBlock.getObjectParameter(int index)	Gets a parameter as an object.
Object	ContextualRenderedImageFactory.getProperty(ParameterBlock paramBlock, String name)	Gets the appropriate instance of the property specified by the name parameter.
Object	RenderableImage.getProperty(String name)	Gets a property from the property set of this image.
Object	RenderableImageOp.getProperty(String name)	Gets a property from the property set of this image.
Object	ParameterBlock.getSource(int index)	Returns a source as a general Object.
Object	ParameterBlock.shallowClone()	Creates a shallow copy of a ParameterBlock.

Methods in java.awt.image.renderable that return types with arguments of type Object

Modifier and Type	Method	Description
Vector<Object>	ParameterBlock.getParameters()	Returns the entire Vector of parameters.
Vector<Object>	ParameterBlock.getSources()	Returns the entire Vector of sources.

Methods in java.awt.image.renderable with parameters of type Object

Modifier and Type	Method	Description
ParameterBlock	ParameterBlock.add(Object obj)	Adds an object to the list of parameters.
ParameterBlock	ParameterBlock.addSource(Object source)	Adds an image to end of the list of sources.
ParameterBlock	ParameterBlock.set(Object obj, int index)	Replaces an Object in the list of parameters.
ParameterBlock	ParameterBlock.setSource(Object source, int index)	Replaces an entry in the list of source with a new source.

Method parameters in java.awt.image.renderable with type arguments of type Object

Modifier and Type	Method	Description
void	ParameterBlock.setParameters(Vector<Object> parameters)	Sets the entire Vector of parameters to a given Vector.
void	ParameterBlock.setSources(Vector<Object> sources)	Sets the entire Vector of sources to a given Vector.

Constructor parameters in java.awt.image.renderable with type arguments of type Object

Modifier	Constructor	Description
	ParameterBlock(Vector<Object> sources)	Constructs a ParameterBlock with a given Vector of sources.
	ParameterBlock(Vector<Object> sources, Vector<Object> parameters)	Constructs a ParameterBlock with a given Vector of sources and Vector of parameters.

Uses of Object in java.awt.print

Subclasses of Object in java.awt.print

Modifier and Type	Class	Description
class	Book	The Book class provides a representation of a document in which pages may have different page formats and page painters.
class	PageFormat	The PageFormat class describes the size and orientation of a page to be printed.
class	Paper	The Paper class describes the physical characteristics of a piece of paper.
class	PrinterAbortException	The PrinterAbortException class is a subclass of PrinterException and is used to indicate that a user or application has terminated the print job while it was in the process of printing.
class	PrinterException	The PrinterException class and its subclasses are used to indicate that an exceptional condition has occurred in the print system.
class	PrinterIOException	The PrinterIOException class is a subclass of PrinterException and is used to indicate that an IO error of some sort has occurred while printing.
class	PrinterJob	The PrinterJob class is the principal class that controls printing.

Methods in java.awt.print that return Object

Modifier and Type	Method	Description
Object	PageFormat.clone()	Makes a copy of this PageFormat with the same contents as this PageFormat.
Object	Paper.clone()	Creates a copy of this Paper with the same contents as this Paper.

Uses of Object in java.beans

Subclasses of Object in java.beans

Modifier and Type	Class	Description
class	BeanDescriptor	A BeanDescriptor provides global information about a "bean", including its Java class, its displayName, etc.
class	Beans	This class provides some general purpose beans control methods.
class	DefaultPersistenceDelegate	The DefaultPersistenceDelegate is a concrete implementation of the abstract PersistenceDelegate class and is the delegate used by default for classes about which no information is available.
class	Encoder	An Encoder is a class which can be used to create files or streams that encode the state of a collection of JavaBeans in terms of their public APIs.
class	EventHandler	The EventHandler class provides support for dynamically generating event listeners whose methods execute a simple statement involving an incoming event object and a target object.
class	EventSetDescriptor	An EventSetDescriptor describes a group of events that a given Java bean fires.
class	Expression	An Expression object represents a primitive expression in which a single method is applied to a target and a set of arguments to return a result - as in "a.getFoo()".
class	FeatureDescriptor	The FeatureDescriptor class is the common baseclass for PropertyDescriptor, EventSetDescriptor, and MethodDescriptor, etc.
class	IndexedPropertyChangeEvent	An "IndexedPropertyChange" event gets delivered whenever a component that conforms to the JavaBeans specification (a "bean") changes a bound indexed property.
class	IndexedPropertyDescriptor	An IndexedPropertyDescriptor describes a property that acts like an array and has an indexed read and/or indexed write method to access specific elements of the array.
class	IntrospectionException	Thrown when an exception happens during Introspection.
class	Introspector	The Introspector class provides a standard way for tools to learn about the properties, events, and methods supported by a target Java Bean.
class	MethodDescriptor	A MethodDescriptor describes a particular method that a Java Bean supports for external access from other components.
class	ParameterDescriptor	The ParameterDescriptor class allows bean implementors to provide additional information on each of their parameters, beyond the low level type information provided by the java.lang.reflect.Method class.
class	PersistenceDelegate	The PersistenceDelegate class takes the responsibility for expressing the state of an instance of a given class in terms of the methods in the class's public API.
class	PropertyChangeEvent	A "PropertyChange" event gets delivered whenever a bean changes a "bound" or "constrained" property.
class	PropertyChangeListenerProxy	A class which extends the EventListenerProxy specifically for adding a PropertyChangeListener with a "bound" property.
class	PropertyChangeSupport	This is a utility class that can be used by beans that support bound properties.
class	PropertyDescriptor	A PropertyDescriptor describes one property that a Java Bean exports via a pair of accessor methods.
class	PropertyEditorManager	The PropertyEditorManager can be used to locate a property editor for any given type name.
class	PropertyEditorSupport	This is a support class to help build property editors.
class	PropertyVetoException	A PropertyVetoException is thrown when a proposed change to a property represents an unacceptable value.
class	SimpleBeanInfo	This is a support class to make it easier for people to provide BeanInfo classes.
class	Statement	A Statement object represents a primitive statement in which a single method is applied to a target and a set of arguments - as in "a.setFoo(b)".
class	VetoableChangeListenerProxy	A class which extends the EventListenerProxy specifically for adding a VetoableChangeListener with a "constrained" property.
class	VetoableChangeSupport	This is a utility class that can be used by beans that support constrained properties.
class	XMLDecoder	The XMLDecoder class is used to read XML documents created using the XMLEncoder and is used just like the ObjectInputStream.
class	XMLEncoder	The XMLEncoder class is a complementary alternative to the ObjectOutputStream and can used to generate a textual representation of a JavaBean in the same way that the ObjectOutputStream can be used to create binary representation of Serializable objects.

Methods in java.beans that return Object

Modifier and Type	Method	Description
Object	Encoder.get(Object oldInstance)	Returns a tentative value for oldInstance in the environment created by this stream.
Object[]	Statement.getArguments()	Returns the arguments for the method to invoke.
static Object	Beans.getInstanceOf(Object bean, Class<?> targetType)	From a given bean, obtain an object representing a specified type view of that source object.
Object	PropertyChangeEvent.getNewValue()	Gets the new value for the property, expressed as an Object.
Object	PropertyChangeEvent.getOldValue()	Gets the old value for the property, expressed as an Object.
Object	XMLDecoder.getOwner()	Gets the owner of this decoder.
Object	XMLEncoder.getOwner()	Gets the owner of this encoder.
Object	PropertyChangeEvent.getPropagationId()	The "propagationId" field is reserved for future use.
Object	PropertyEditorSupport.getSource()	Returns the bean that is used as the source of events.
Object	EventHandler.getTarget()	Returns the object to which this event handler will send a message.
Object	Statement.getTarget()	Returns the target object of this statement.
Object	Expression.getValue()	If the value property of this instance is not already set, this method dynamically finds the method with the specified methodName on this target with these arguments and calls it.
Object	FeatureDescriptor.getValue(String attributeName)	Retrieve a named attribute with this feature.
Object	PropertyEditor.getValue()	Gets the property value.
Object	PropertyEditorSupport.getValue()	Gets the value of the property.
static Object	Beans.instantiate(ClassLoader cls, String beanName)	Instantiate a JavaBean.
static Object	Beans.instantiate(ClassLoader cls, String beanName, BeanContext beanContext)	Instantiate a JavaBean.
static Object	Beans.instantiate(ClassLoader cls, String beanName, BeanContext beanContext, AppletInitializer initializer)	Deprecated, for removal: This API element is subject to removal in a future version. It is recommended to use Beans.instantiate(ClassLoader, String, BeanContext), because the Applet API is deprecated.
Object	EventHandler.invoke(Object proxy, Method method, Object[] arguments)	Extract the appropriate property value from the event and pass it to the action associated with this EventHandler.
Object	XMLDecoder.readObject()	Reads the next object from the underlying input stream.
Object	Encoder.remove(Object oldInstance)	Removes the entry for this instance, returning the old entry.

Methods in java.beans with parameters of type Object

Modifier and Type	Method	Description
static <T> T	EventHandler.create(Class<T> listenerInterface, Object target, String action)	Creates an implementation of listenerInterface in which all of the methods in the listener interface apply the handler's action to the target.
static <T> T	EventHandler.create(Class<T> listenerInterface, Object target, String action, String eventPropertyName)	/** Creates an implementation of listenerInterface in which all of the methods pass the value of the event expression, eventPropertyName, to the final method in the statement, action, which is applied to the target.
static <T> T	EventHandler.create(Class<T> listenerInterface, Object target, String action, String eventPropertyName, String listenerMethodName)	Creates an implementation of listenerInterface in which the method named listenerMethodName passes the value of the event expression, eventPropertyName, to the final method in the statement, action, which is applied to the target.
static DefaultHandler	XMLDecoder.createHandler(Object owner, ExceptionListener el, ClassLoader cl)	Creates a new handler for SAX parser that can be used to parse embedded XML archives created by the XMLEncoder class.
PropertyEditor	PropertyDescriptor.createPropertyEditor(Object bean)	Constructs an instance of a property editor using the current property editor class.
boolean	IndexedPropertyDescriptor.equals(Object obj)	Compares this PropertyDescriptor against the specified object.
boolean	PropertyDescriptor.equals(Object obj)	Compares this PropertyDescriptor against the specified object.
void	PropertyChangeSupport.fireIndexedPropertyChange(String propertyName, int index, Object oldValue, Object newValue)	Reports a bound indexed property update to listeners that have been registered to track updates of all properties or a property with the specified name.
void	PropertyChangeSupport.firePropertyChange(String propertyName, Object oldValue, Object newValue)	Reports a bound property update to listeners that have been registered to track updates of all properties or a property with the specified name.
void	VetoableChangeSupport.fireVetoableChange(String propertyName, Object oldValue, Object newValue)	Reports a constrained property update to listeners that have been registered to track updates of all properties or a property with the specified name.
Object	Encoder.get(Object oldInstance)	Returns a tentative value for oldInstance in the environment created by this stream.
static Object	Beans.getInstanceOf(Object bean, Class<?> targetType)	From a given bean, obtain an object representing a specified type view of that source object.
protected void	DefaultPersistenceDelegate.initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out)	This default implementation of the initialize method assumes all state held in objects of this type is exposed via the matching pairs of "setter" and "getter" methods in the order they are returned by the Introspector.
protected void	PersistenceDelegate.initialize(Class<?> type, Object oldInstance, Object newInstance, Encoder out)	Produce a series of statements with side effects on newInstance so that the new instance becomes equivalent to oldInstance.
protected Expression	DefaultPersistenceDelegate.instantiate(Object oldInstance, Encoder out)	This default implementation of the instantiate method returns an expression containing the predefined method name "new" which denotes a call to a constructor with the arguments as specified in the DefaultPersistenceDelegate's constructor.
protected abstract Expression	PersistenceDelegate.instantiate(Object oldInstance, Encoder out)	Returns an expression whose value is oldInstance.
Object	EventHandler.invoke(Object proxy, Method method, Object[] arguments)	Extract the appropriate property value from the event and pass it to the action associated with this EventHandler.
static boolean	Beans.isInstanceOf(Object bean, Class<?> targetType)	Check if a bean can be viewed as a given target type.
protected boolean	DefaultPersistenceDelegate.mutatesTo(Object oldInstance, Object newInstance)	If the number of arguments in the specified constructor is non-zero and the class of oldInstance explicitly declares an "equals" method this method returns the value of oldInstance.equals(newInstance).
protected boolean	PersistenceDelegate.mutatesTo(Object oldInstance, Object newInstance)	Returns true if an equivalent copy of oldInstance may be created by applying a series of statements to newInstance.
Object	Encoder.remove(Object oldInstance)	Removes the entry for this instance, returning the old entry.
void	Customizer.setObject(Object bean)	Set the object to be customized.
void	XMLDecoder.setOwner(Object owner)	Sets the owner of this decoder to owner.
void	XMLEncoder.setOwner(Object owner)	Sets the owner of this encoder to owner.
void	PropertyChangeEvent.setPropagationId(Object propagationId)	Sets the propagationId object for the event.
void	PropertyEditorSupport.setSource(Object source)	Sets the source bean.
void	Expression.setValue(Object value)	Sets the value of this expression to value.
void	FeatureDescriptor.setValue(String attributeName, Object value)	Associate a named attribute with this feature.
void	PropertyEditor.setValue(Object value)	Set (or change) the object that is to be edited.
void	PropertyEditorSupport.setValue(Object value)	Set (or change) the object that is to be edited.
protected void	Encoder.writeObject(Object o)	Write the specified object to the output stream.
void	PersistenceDelegate.writeObject(Object oldInstance, Encoder out)	The writeObject is a single entry point to the persistence and is used by an Encoder in the traditional mode of delegation.
void	XMLEncoder.writeObject(Object o)	Write an XML representation of the specified object to the output.

Constructors in java.beans with parameters of type Object

Modifier	Constructor	Description
	EventHandler(Object target, String action, String eventPropertyName, String listenerMethodName)	Creates a new EventHandler object; you generally use one of the create methods instead of invoking this constructor directly.
	Expression(Object value, Object target, String methodName, Object[] arguments)	Creates a new Expression object with the specified value for the specified target object to invoke the method specified by the name and by the array of arguments.
	Expression(Object target, String methodName, Object[] arguments)	Creates a new Expression object for the specified target object to invoke the method specified by the name and by the array of arguments.
	IndexedPropertyChangeEvent(Object source, String propertyName, Object oldValue, Object newValue, int index)	Constructs a new IndexedPropertyChangeEvent object.
	PropertyChangeEvent(Object source, String propertyName, Object oldValue, Object newValue)	Constructs a new PropertyChangeEvent.
	PropertyChangeSupport(Object sourceBean)	Constructs a PropertyChangeSupport object.
	PropertyEditorSupport(Object source)	Constructs a PropertyEditorSupport object.
	Statement(Object target, String methodName, Object[] arguments)	Creates a new Statement object for the specified target object to invoke the method specified by the name and by the array of arguments.
	VetoableChangeSupport(Object sourceBean)	Constructs a VetoableChangeSupport object.
	XMLDecoder(InputStream in, Object owner)	Creates a new input stream for reading archives created by the XMLEncoder class.
	XMLDecoder(InputStream in, Object owner, ExceptionListener exceptionListener)	Creates a new input stream for reading archives created by the XMLEncoder class.
	XMLDecoder(InputStream in, Object owner, ExceptionListener exceptionListener, ClassLoader cl)	Creates a new input stream for reading archives created by the XMLEncoder class.

Uses of Object in java.beans.beancontext

Subclasses of Object in java.beans.beancontext

Modifier and Type	Class	Description
class	BeanContextChildSupport	This is a general support class to provide support for implementing the BeanContextChild protocol.
class	BeanContextEvent	BeanContextEvent is the abstract root event class for all events emitted from, and pertaining to the semantics of, a BeanContext.
class	BeanContextMembershipEvent	A BeanContextMembershipEvent encapsulates the list of children added to, or removed from, the membership of a particular BeanContext.
class	BeanContextServiceAvailableEvent	This event type is used by the BeanContextServicesListener in order to identify the service being registered.
class	BeanContextServiceRevokedEvent	This event type is used by the BeanContextServiceRevokedListener in order to identify the service being revoked.
class	BeanContextServicesSupport	This helper class provides a utility implementation of the java.beans.beancontext.BeanContextServices interface.
protected class	BeanContextServicesSupport.BCSSChild	A protected nested class containing per-child information in the children hashtable.
protected class	BeanContextServicesSupport.BCSSProxyServiceProvider	Subclasses may subclass this nested class to represent a proxy for each BeanContextServiceProvider.
protected static class	BeanContextServicesSupport.BCSSServiceProvider	subclasses may subclass this nested class to add behaviors for each BeanContextServicesProvider.
class	BeanContextSupport	This helper class provides a utility implementation of the java.beans.beancontext.BeanContext interface.
protected class	BeanContextSupport.BCSChild	A protected nested class containing per-child information in the children hashtable.
protected static final class	BeanContextSupport.BCSIterator	protected final subclass that encapsulates an iterator but implements a noop remove() method.

Fields in java.beans.beancontext declared as Object

Modifier and Type	Field	Description
static final Object	BeanContext.globalHierarchyLock	This global lock is used by both BeanContext and BeanContextServices implementors to serialize changes in a BeanContext hierarchy and any service requests etc.

Fields in java.beans.beancontext with type parameters of type Object

Modifier and Type	Field	Description
protected HashMap<Object,BeanContextSupport.BCSChild>	BeanContextSupport.children	all accesses to the protected HashMap children field shall be synchronized on that object.
protected HashMap<Object,BeanContextServicesSupport.BCSSServiceProvider>	BeanContextServicesSupport.services	all accesses to the protected transient HashMap services field should be synchronized on that object

Methods in java.beans.beancontext that return Object

Modifier and Type	Method	Description
protected final Object[]	BeanContextSupport.copyChildren()	Gets a copy of the this BeanContext's children.
Object	BeanContextServiceProvider.getService(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector)	Invoked by BeanContextServices, this method requests an instance of a service from this BeanContextServiceProvider.
Object	BeanContextServices.getService(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)	A BeanContextChild, or any arbitrary object associated with a BeanContextChild, may obtain a reference to a currently registered service from its nesting BeanContextServices via invocation of this method.
Object	BeanContextServicesSupport.BCSSProxyServiceProvider.getService(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector)
Object	BeanContextServicesSupport.getService(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)	obtain a service which may be delegated
Object	BeanContext.instantiateChild(String beanName)	Instantiate the javaBean named as a child of this BeanContext.
Object	BeanContextSupport.instantiateChild(String beanName)	The instantiateChild method is a convenience hook in BeanContext to simplify the task of instantiating a Bean, nested, into a BeanContext.
Object	BeanContextSupport.BCSIterator.next()
Object[]	BeanContextMembershipEvent.toArray()	Gets the array of children affected by this event.
Object[]	BeanContextSupport.toArray()	Gets all JavaBean or BeanContext instances currently nested in this BeanContext.
Object[]	BeanContextSupport.toArray(Object[] arry)	Gets an array containing all children of this BeanContext that match the types contained in arry.

Methods in java.beans.beancontext that return types with arguments of type Object

Modifier and Type	Method	Description
Iterator<Object>	BeanContextServicesSupport.getCurrentServiceClasses()
Iterator<Object>	BeanContextSupport.iterator()	Gets all JavaBean or BeanContext instances currently nested in this BeanContext.

Methods in java.beans.beancontext with parameters of type Object

Modifier and Type	Method	Description
boolean	BeanContextSupport.add(Object targetChild)	Adds/nests a child within this BeanContext.
protected void	BeanContextSupport.childDeserializedHook(Object child, BeanContextSupport.BCSChild bcsc)	Called by readObject with the newly deserialized child and BCSChild.
protected void	BeanContextSupport.childJustAddedHook(Object child, BeanContextSupport.BCSChild bcsc)	subclasses may override this method to simply extend add() semantics after the child has been added and before the event notification has occurred.
protected void	BeanContextServicesSupport.childJustRemovedHook(Object child, BeanContextSupport.BCSChild bcsc)	called from superclass child removal operations after a child has been successfully removed. called with child synchronized.
protected void	BeanContextSupport.childJustRemovedHook(Object child, BeanContextSupport.BCSChild bcsc)	subclasses may override this method to simply extend remove() semantics after the child has been removed and before the event notification has occurred.
boolean	BeanContextMembershipEvent.contains(Object child)	Is the child specified affected by the event?
boolean	BeanContextSupport.contains(Object o)	Determines whether or not the specified object is currently a child of this BeanContext.
boolean	BeanContextSupport.containsKey(Object o)	Determines whether or not the specified object is currently a child of this BeanContext.
protected BeanContextSupport.BCSChild	BeanContextServicesSupport.createBCSChild(Object targetChild, Object peer)	Subclasses can override this method to insert their own subclass of Child without having to override add() or the other Collection methods that add children to the set.
protected BeanContextSupport.BCSChild	BeanContextSupport.createBCSChild(Object targetChild, Object peer)	Subclasses can override this method to insert their own subclass of Child without having to override add() or the other Collection methods that add children to the set.
void	BeanContextChildSupport.firePropertyChange(String name, Object oldValue, Object newValue)	Report a bound property update to any registered listeners.
void	BeanContextChildSupport.fireVetoableChange(String name, Object oldValue, Object newValue)	Report a vetoable property update to any registered listeners.
protected static final BeanContextChild	BeanContextSupport.getChildBeanContextChild(Object child)	Gets the BeanContextChild (if any) of the specified child
protected static final BeanContextMembershipListener	BeanContextSupport.getChildBeanContextMembershipListener(Object child)	Gets the BeanContextMembershipListener (if any) of the specified child
protected static final BeanContextServicesListener	BeanContextServicesSupport.getChildBeanContextServicesListener(Object child)	Gets the BeanContextServicesListener (if any) of the specified child.
protected static final PropertyChangeListener	BeanContextSupport.getChildPropertyChangeListener(Object child)	Gets the PropertyChangeListener (if any) of the specified child
protected static final Serializable	BeanContextSupport.getChildSerializable(Object child)	Gets the Serializable (if any) associated with the specified Child
protected static final VetoableChangeListener	BeanContextSupport.getChildVetoableChangeListener(Object child)	Gets the VetoableChangeListener (if any) of the specified child
protected static final Visibility	BeanContextSupport.getChildVisibility(Object child)	Gets the Component (if any) associated with the specified child.
Object	BeanContextServiceProvider.getService(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector)	Invoked by BeanContextServices, this method requests an instance of a service from this BeanContextServiceProvider.
Object	BeanContextServices.getService(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)	A BeanContextChild, or any arbitrary object associated with a BeanContextChild, may obtain a reference to a currently registered service from its nesting BeanContextServices via invocation of this method.
Object	BeanContextServicesSupport.BCSSProxyServiceProvider.getService(BeanContextServices bcs, Object requestor, Class<?> serviceClass, Object serviceSelector)
Object	BeanContextServicesSupport.getService(BeanContextChild child, Object requestor, Class<?> serviceClass, Object serviceSelector, BeanContextServiceRevokedListener bcsrl)	obtain a service which may be delegated
void	BeanContextServiceProvider.releaseService(BeanContextServices bcs, Object requestor, Object service)	Invoked by BeanContextServices, this method releases a nested BeanContextChild's (or any arbitrary object associated with a BeanContextChild) reference to the specified service.
void	BeanContextServices.releaseService(BeanContextChild child, Object requestor, Object service)	Releases a BeanContextChild's (or any arbitrary object associated with a BeanContextChild) reference to the specified service by calling releaseService() on the underlying BeanContextServiceProvider.
void	BeanContextServicesSupport.BCSSProxyServiceProvider.releaseService(BeanContextServices bcs, Object requestor, Object service)
void	BeanContextServicesSupport.releaseService(BeanContextChild child, Object requestor, Object service)	release a service
boolean	BeanContextSupport.remove(Object targetChild)	Removes a child from this BeanContext.
protected boolean	BeanContextSupport.remove(Object targetChild, boolean callChildSetBC)	internal remove used when removal caused by unexpected setBeanContext or by remove() invocation.
Object[]	BeanContextSupport.toArray(Object[] arry)	Gets an array containing all children of this BeanContext that match the types contained in arry.
protected boolean	BeanContextSupport.validatePendingAdd(Object targetChild)	Subclasses of this class may override, or envelope, this method to add validation behavior for the BeanContext to examine child objects immediately prior to their being added to the BeanContext.
protected boolean	BeanContextSupport.validatePendingRemove(Object targetChild)	Subclasses of this class may override, or envelope, this method to add validation behavior for the BeanContext to examine child objects immediately prior to their being removed from the BeanContext.

Constructors in java.beans.beancontext with parameters of type Object

Modifier	Constructor	Description
	BeanContextMembershipEvent(BeanContext bc, Object[] changes)	Construct a BeanContextMembershipEvent

Uses of Object in java.io

Subclasses of Object in java.io

Modifier and Type	Class	Description
class	BufferedInputStream	A BufferedInputStream adds functionality to another input stream-namely, the ability to buffer the input and to support the mark and reset methods.
class	BufferedOutputStream	The class implements a buffered output stream.
class	BufferedReader	Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
class	BufferedWriter	Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
class	ByteArrayInputStream	A ByteArrayInputStream contains an internal buffer that contains bytes that may be read from the stream.
class	ByteArrayOutputStream	This class implements an output stream in which the data is written into a byte array.
class	CharArrayReader	This class implements a character buffer that can be used as a character-input stream.
class	CharArrayWriter	This class implements a character buffer that can be used as a Writer.
class	CharConversionException	Base class for character conversion exceptions.
class	Console	Methods to access the character-based console device, if any, associated with the current Java virtual machine.
class	DataInputStream	A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
class	DataOutputStream	A data output stream lets an application write primitive Java data types to an output stream in a portable way.
class	EOFException	Signals that an end of file or end of stream has been reached unexpectedly during input.
class	File	An abstract representation of file and directory pathnames.
final class	FileDescriptor	Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
class	FileInputStream	A FileInputStream obtains input bytes from a file in a file system.
class	FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
class	FileOutputStream	A file output stream is an output stream for writing data to a File or to a FileDescriptor.
final class	FilePermission	This class represents access to a file or directory.
class	FileReader	Reads text from character files using a default buffer size.
class	FileWriter	Writes text to character files using a default buffer size.
class	FilterInputStream	A FilterInputStream wraps some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
class	FilterOutputStream	This class is the superclass of all classes that filter output streams.
class	FilterReader	Abstract class for reading filtered character streams.
class	FilterWriter	Abstract class for writing filtered character streams.
class	InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
class	InputStreamReader	An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified charset.
class	InterruptedIOException	Signals that an I/O operation has been interrupted.
class	InvalidClassException	Thrown when the Serialization runtime detects one of the following problems with a Class.
class	InvalidObjectException	Indicates that one or more deserialized objects failed validation tests.
class	IOError	Thrown when a serious I/O error has occurred.
class	IOException	Signals that an I/O exception of some sort has occurred.
class	LineNumberInputStream	Deprecated. This class incorrectly assumes that bytes adequately represent characters.
class	LineNumberReader	A buffered character-input stream that keeps track of line numbers.
class	NotActiveException	Thrown when serialization or deserialization is not active.
class	NotSerializableException	Thrown when an instance is required to have a Serializable interface.
static final class	ObjectInputFilter.Config	A utility class to set and get the JVM-wide deserialization filter factory, the static JVM-wide filter, or to create a filter from a pattern string.
class	ObjectInputStream	An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
static class	ObjectInputStream.GetField	Provide access to the persistent fields read from the input stream.
class	ObjectOutputStream	An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
static class	ObjectOutputStream.PutField	Provide programmatic access to the persistent fields to be written to ObjectOutput.
final class	ObjectStreamClass	Serialization's descriptor for classes.
class	ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
class	ObjectStreamField	A description of a Serializable field from a Serializable class.
class	OptionalDataException	Exception indicating the failure of an object read operation due to unread primitive data, or the end of data belonging to a serialized object in the stream.
class	OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
class	OutputStreamWriter	An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified charset.
class	PipedInputStream	A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
class	PipedOutputStream	A piped output stream can be connected to a piped input stream to create a communications pipe.
class	PipedReader	Piped character-input streams.
class	PipedWriter	Piped character-output streams.
class	PrintStream	A PrintStream adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
class	PrintWriter	Prints formatted representations of objects to a text-output stream.
class	PushbackInputStream	A PushbackInputStream adds functionality to another input stream, namely the ability to "push back" or "unread" bytes, by storing pushed-back bytes in an internal buffer.
class	PushbackReader	A character-stream reader that allows characters to be pushed back into the stream.
class	RandomAccessFile	Instances of this class support both reading and writing to a random access file.
class	Reader	Abstract class for reading character streams.
class	SequenceInputStream	A SequenceInputStream represents the logical concatenation of other input streams.
final class	SerializablePermission	This class is for Serializable permissions.
class	StreamCorruptedException	Thrown when control information that was read from an object stream violates internal consistency checks.
class	StreamTokenizer	The StreamTokenizer class takes an input stream and parses it into "tokens", allowing the tokens to be read one at a time.
class	StringBufferInputStream	Deprecated. This class does not properly convert characters into bytes.
class	StringReader	A character stream whose source is a string.
class	StringWriter	A character stream that collects its output in a string buffer, which can then be used to construct a string.
class	SyncFailedException	Signals that a sync operation has failed.
class	UncheckedIOException	Wraps an IOException with an unchecked exception.
class	UnsupportedEncodingException	The Character Encoding is not supported.
class	UTFDataFormatException	Signals that a malformed string in modified UTF-8 format has been read in a data input stream or by any class that implements the data input interface.
class	WriteAbortedException	Signals that one of the ObjectStreamExceptions was thrown during a write operation.
class	Writer	Abstract class for writing to character streams.

Fields in java.io declared as Object

Modifier and Type	Field	Description
protected Object	Reader.lock	The object used to synchronize operations on this stream.
protected Object	Writer.lock	The object used to synchronize operations on this stream.

Methods in java.io that return Object

Modifier and Type	Method	Description
abstract Object	ObjectInputStream.GetField.get(String name, Object val)	Get the value of the named Object field from the persistent field.
Object	ObjectInput.readObject()	Read and return an object.
final Object	ObjectInputStream.readObject()	Read an object from the ObjectInputStream.
protected Object	ObjectInputStream.readObjectOverride()	This method is called by trusted subclasses of ObjectInputStream that constructed ObjectInputStream using the protected no-arg constructor.
Object	ObjectInputStream.readUnshared()	Reads an "unshared" object from the ObjectInputStream.
protected Object	ObjectOutputStream.replaceObject(Object obj)	This method will allow trusted subclasses of ObjectOutputStream to substitute one object for another during serialization.
protected Object	ObjectInputStream.resolveObject(Object obj)	This method will allow trusted subclasses of ObjectInputStream to substitute one object for another during deserialization.

Methods in java.io with parameters of type Object

Modifier and Type	Method	Description
int	ObjectStreamField.compareTo(Object obj)	Compare this field with another ObjectStreamField.
boolean	File.equals(Object obj)	Tests this abstract pathname for equality with the given object.
boolean	FilePermission.equals(Object obj)	Checks two FilePermission objects for equality.
Console	Console.format(String fmt, Object... args)	Writes a formatted string to this console's output stream using the specified format string and arguments.
PrintStream	PrintStream.format(String format, Object... args)	Writes a formatted string to this output stream using the specified format string and arguments.
PrintStream	PrintStream.format(Locale l, String format, Object... args)	Writes a formatted string to this output stream using the specified format string and arguments.
PrintWriter	PrintWriter.format(String format, Object... args)	Writes a formatted string to this writer using the specified format string and arguments.
PrintWriter	PrintWriter.format(Locale l, String format, Object... args)	Writes a formatted string to this writer using the specified format string and arguments.
abstract Object	ObjectInputStream.GetField.get(String name, Object val)	Get the value of the named Object field from the persistent field.
void	PrintStream.print(Object obj)	Prints an object.
void	PrintWriter.print(Object obj)	Prints an object.
Console	Console.printf(String format, Object... args)	A convenience method to write a formatted string to this console's output stream using the specified format string and arguments.
PrintStream	PrintStream.printf(String format, Object... args)	A convenience method to write a formatted string to this output stream using the specified format string and arguments.
PrintStream	PrintStream.printf(Locale l, String format, Object... args)	A convenience method to write a formatted string to this output stream using the specified format string and arguments.
PrintWriter	PrintWriter.printf(String format, Object... args)	A convenience method to write a formatted string to this writer using the specified format string and arguments.
PrintWriter	PrintWriter.printf(Locale l, String format, Object... args)	A convenience method to write a formatted string to this writer using the specified format string and arguments.
void	PrintStream.println(Object x)	Prints an Object and then terminates the line.
void	PrintWriter.println(Object x)	Prints an Object and then terminates the line.
abstract void	ObjectOutputStream.PutField.put(String name, Object val)	Put the value of the named Object field into the persistent field.
String	Console.readLine(String fmt, Object... args)	Provides a formatted prompt, then reads a single line of text from the console.
char[]	Console.readPassword(String fmt, Object... args)	Provides a formatted prompt, then reads a password or passphrase from the console with echoing disabled.
protected Object	ObjectOutputStream.replaceObject(Object obj)	This method will allow trusted subclasses of ObjectOutputStream to substitute one object for another during serialization.
protected Object	ObjectInputStream.resolveObject(Object obj)	This method will allow trusted subclasses of ObjectInputStream to substitute one object for another during deserialization.
void	ObjectOutput.writeObject(Object obj)	Write an object to the underlying storage or stream.
final void	ObjectOutputStream.writeObject(Object obj)	Write the specified object to the ObjectOutputStream.
protected void	ObjectOutputStream.writeObjectOverride(Object obj)	Method used by subclasses to override the default writeObject method.
void	ObjectOutputStream.writeUnshared(Object obj)	Writes an "unshared" object to the ObjectOutputStream.

Constructors in java.io with parameters of type Object

Modifier	Constructor	Description
protected	Reader(Object lock)	Creates a new character-stream reader whose critical sections will synchronize on the given object.
protected	Writer(Object lock)	Creates a new character-stream writer whose critical sections will synchronize on the given object.

Uses of Object in java.lang

Subclasses of Object in java.lang

Modifier and Type	Class	Description
class	AbstractMethodError	Thrown when an application tries to call an abstract method.
class	ArithmeticException	Thrown when an exceptional arithmetic condition has occurred.
class	ArrayIndexOutOfBoundsException	Thrown to indicate that an array has been accessed with an illegal index.
class	ArrayStoreException	Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects.
class	AssertionError	Thrown to indicate that an assertion has failed.
final class	Boolean	The Boolean class wraps a value of the primitive type boolean in an object.
class	BootstrapMethodError	Thrown to indicate that an invokedynamic instruction or a dynamic constant failed to resolve its bootstrap method and arguments, or for invokedynamic instruction the bootstrap method has failed to provide a call site with a target of the correct method type, or for a dynamic constant the bootstrap method has failed to provide a constant value of the required type.
final class	Byte	The Byte class wraps a value of primitive type byte in an object.
final class	Character	The Character class wraps a value of the primitive type char in an object.
static class	Character.Subset	Instances of this class represent particular subsets of the Unicode character set.
static final class	Character.UnicodeBlock	A family of character subsets representing the character blocks in the Unicode specification.
final class	Class<T>	Instances of the class Class represent classes and interfaces in a running Java application.
class	ClassCastException	Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
class	ClassCircularityError	Thrown when the Java Virtual Machine detects a circularity in the superclass hierarchy of a class being loaded.
class	ClassFormatError	Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
class	ClassLoader	A class loader is an object that is responsible for loading classes.
class	ClassNotFoundException	Thrown when an application tries to load in a class through its string name using: The forName method in class Class.
class	ClassValue<T>	Lazily associate a computed value with (potentially) every type.
class	CloneNotSupportedException	Thrown to indicate that the clone method in class Object has been called to clone an object, but that the object's class does not implement the Cloneable interface.
final class	Double	The Double class wraps a value of the primitive type double in an object.
class	Enum<E extends Enum<E>>	This is the common base class of all Java language enumeration classes.
static final class	Enum.EnumDesc<E extends Enum<E>>	A nominal descriptor for an enum constant.
class	EnumConstantNotPresentException	Thrown when an application tries to access an enum constant by name and the enum type contains no constant with the specified name.
class	Error	An Error is a subclass of Throwable that indicates serious problems that a reasonable application should not try to catch.
class	Exception	The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.
class	ExceptionInInitializerError	Signals that an unexpected exception has occurred in a static initializer.
final class	Float	The Float class wraps a value of primitive type float in an object.
class	IllegalAccessError	Thrown if an application attempts to access or modify a field, or to call a method that it does not have access to.
class	IllegalAccessException	An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
class	IllegalArgumentException	Thrown to indicate that a method has been passed an illegal or inappropriate argument.
class	IllegalCallerException	Thrown to indicate that a method has been called by an inappropriate caller.
class	IllegalMonitorStateException	Thrown to indicate that a thread has attempted to wait on an object's monitor or to notify other threads waiting on an object's monitor without owning the specified monitor.
class	IllegalStateException	Signals that a method has been invoked at an illegal or inappropriate time.
class	IllegalThreadStateException	Thrown to indicate that a thread is not in an appropriate state for the requested operation.
class	IncompatibleClassChangeError	Thrown when an incompatible class change has occurred to some class definition.
class	IndexOutOfBoundsException	Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
class	InheritableThreadLocal<T>	This class extends ThreadLocal to provide inheritance of values from parent thread to child thread: when a child thread is created, the child receives initial values for all inheritable thread-local variables for which the parent has values.
class	InstantiationError	Thrown when an application tries to use the Java new construct to instantiate an abstract class or an interface.
class	InstantiationException	Thrown when an application tries to create an instance of a class using the newInstance method in class Class, but the specified class object cannot be instantiated.
final class	Integer	The Integer class wraps a value of the primitive type int in an object.
class	InternalError	Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine.
class	InterruptedException	Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
class	LayerInstantiationException	Thrown when creating a module layer fails.
class	LinkageError	Subclasses of LinkageError indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
final class	Long	The Long class wraps a value of the primitive type long in an object.
final class	MatchException	Thrown to indicate an unexpected failure in pattern matching.
final class	Math	The class Math contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
final class	Module	Represents a run-time module, either named or unnamed.
final class	ModuleLayer	A layer of modules in the Java virtual machine.
static final class	ModuleLayer.Controller	Controls a module layer.
class	NegativeArraySizeException	Thrown if an application tries to create an array with negative size.
class	NoClassDefFoundError	Thrown if the Java Virtual Machine or a ClassLoader instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the new expression) and no definition of the class could be found.
class	NoSuchFieldError	Thrown if an application tries to access or modify a specified field of an object, and that object no longer has that field.
class	NoSuchFieldException	Signals that the class doesn't have a field of a specified name.
class	NoSuchMethodError	Thrown if an application tries to call a specified method of a class (either static or instance), and that class no longer has a definition of that method.
class	NoSuchMethodException	Thrown when a particular method cannot be found.
class	NullPointerException	Thrown when an application attempts to use null in a case where an object is required.
class	Number	The abstract class Number is the superclass of platform classes representing numeric values that are convertible to the primitive types byte, double, float, int, long, and short.
class	NumberFormatException	Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
class	OutOfMemoryError	Thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector.
class	Package	Represents metadata about a run-time package associated with a class loader.
class	Process	Process provides control of native processes started by ProcessBuilder.start and Runtime.exec.
final class	ProcessBuilder	This class is used to create operating system processes.
static class	ProcessBuilder.Redirect	Represents a source of subprocess input or a destination of subprocess output.
class	Record	This is the common base class of all Java language record classes.
class	ReflectiveOperationException	Common superclass of exceptions thrown by reflective operations in core reflection.
class	Runtime	Every Java application has a single instance of class Runtime that allows the application to interface with the environment in which the application is running.
static final class	Runtime.Version	A representation of a version string for an implementation of the Java SE Platform.
class	RuntimeException	RuntimeException is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
final class	RuntimePermission	This class is for runtime permissions.
final class	ScopedValuePREVIEW<T>	Preview. A value that may be safely and efficiently shared to methods without using method parameters.
static final class	ScopedValue.CarrierPREVIEW	Preview. A mapping of scoped values, as keys, to values.
class	SecurityException	Thrown by the security manager to indicate a security violation.
class	SecurityManager	Deprecated, for removal: This API element is subject to removal in a future version. The Security Manager is deprecated and subject to removal in a future release.
final class	Short	The Short class wraps a value of primitive type short in an object.
class	StackOverflowError	Thrown when a stack overflow occurs because an application recurses too deeply.
final class	StackTraceElement	An element in a stack trace, as returned by Throwable.getStackTrace().
final class	StackWalker	A stack walker.
final class	StrictMath	The class StrictMath contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
final class	String	The String class represents character strings.
final class	StringBuffer	A thread-safe, mutable sequence of characters.
final class	StringBuilder	A mutable sequence of characters.
class	StringIndexOutOfBoundsException	Thrown by String methods to indicate that an index is either negative or greater than the size of the string.
final class	System	The System class contains several useful class fields and methods.
static class	System.LoggerFinder	The LoggerFinder service is responsible for creating, managing, and configuring loggers to the underlying framework it uses.
class	Thread	A thread is a thread of execution in a program.
class	ThreadDeath	Deprecated, for removal: This API element is subject to removal in a future version. Thread.stop() was originally specified to "stop" a victim thread by causing the victim thread to throw a ThreadDeath.
class	ThreadGroup	A thread group represents a set of threads.
class	ThreadLocal<T>	This class provides thread-local variables.
class	Throwable	The Throwable class is the superclass of all errors and exceptions in the Java language.
class	TypeNotPresentException	Thrown when an application tries to access a type using a string representing the type's name, but no definition for the type with the specified name can be found.
class	UnknownError	Thrown when an unknown but serious exception has occurred in the Java Virtual Machine.
class	UnsatisfiedLinkError	Thrown if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared native.
class	UnsupportedClassVersionError	Thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.
class	UnsupportedOperationException	Thrown to indicate that the requested operation is not supported.
class	VerifyError	Thrown when the "verifier" detects that a class file, though well formed, contains some sort of internal inconsistency or security problem.
class	VirtualMachineError	Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
final class	Void	The Void class is an uninstantiable placeholder class to hold a reference to the Class object representing the Java keyword void.
final class	WrongThreadException	Thrown to indicate that a method has been called on the wrong thread.

Methods in java.lang that return Object

Modifier and Type	Method	Description
protected final Object	Enum.clone()	Throws CloneNotSupportedException.
protected Object	Object.clone()	Creates and returns a copy of this object.
protected Object	Thread.clone()	Throws CloneNotSupportedException as a Thread can not be meaningfully cloned.
protected Object	ClassLoader.getClassLoadingLock(String className)	Returns the lock object for class loading operations.
T[]	Class.getEnumConstants()	Returns the elements of this enum class or null if this Class object does not represent an enum class.
Object	SecurityManager.getSecurityContext()	Deprecated, for removal: This API element is subject to removal in a future version. Creates an object that encapsulates the current execution environment.
Object[]	Class.getSigners()	Gets the signers of this class.

Methods in java.lang that return types with arguments of type Object

Modifier and Type	Method	Description
List<Object>	StringTemplate.values()	Returns a list of embedded expression results for this StringTemplatePREVIEW.

Methods in java.lang with parameters of type Object

Modifier and Type	Method	Description
StringBuffer	StringBuffer.append(Object obj)
StringBuilder	StringBuilder.append(Object obj)
static void	System.arraycopy(Object src, int srcPos, Object dest, int destPos, int length)	Copies an array from the specified source array, beginning at the specified position, to the specified position of the destination array.
T	Class.cast(Object obj)	Casts an object to the class or interface represented by this Class object.
void	SecurityManager.checkConnect(String host, int port, Object context)	Deprecated, for removal: This API element is subject to removal in a future version. Throws a SecurityException if the specified security context is not allowed to open a socket connection to the specified host and port number.
void	SecurityManager.checkPermission(Permission perm, Object context)	Deprecated, for removal: This API element is subject to removal in a future version. Throws a SecurityException if the specified security context is denied access to the resource specified by the given permission.
void	SecurityManager.checkRead(String file, Object context)	Deprecated, for removal: This API element is subject to removal in a future version. Throws a SecurityException if the specified security context is not allowed to read the file specified by the string argument.
boolean	Boolean.equals(Object obj)	Returns true if and only if the argument is not null and is a Boolean object that represents the same boolean value as this object.
boolean	Byte.equals(Object obj)	Compares this object to the specified object.
boolean	Character.equals(Object obj)	Compares this object against the specified object.
final boolean	Character.Subset.equals(Object obj)	Compares two Subset objects for equality.
boolean	Double.equals(Object obj)	Compares this object against the specified object.
final boolean	Enum.equals(Object other)	Returns true if the specified object is equal to this enum constant.
boolean	Float.equals(Object obj)	Compares this object against the specified object.
boolean	Integer.equals(Object obj)	Compares this object to the specified object.
boolean	Long.equals(Object obj)	Compares this object to the specified object.
boolean	Object.equals(Object obj)	Indicates whether some other object is "equal to" this one.
boolean	ProcessBuilder.Redirect.equals(Object obj)	Compares the specified object with this Redirect for equality.
boolean	ProcessHandle.equals(Object other)	Returns true if other object is non-null, is of the same implementation, and represents the same system process; otherwise it returns false.
abstract boolean	Record.equals(Object obj)	Indicates whether some other object is "equal to" this one.
boolean	Runtime.Version.equals(Object obj)	Determines whether this Version is equal to another object.
boolean	Short.equals(Object obj)	Compares this object to the specified object.
boolean	StackTraceElement.equals(Object obj)	Returns true if the specified object is another StackTraceElement instance representing the same execution point as this instance.
boolean	String.equals(Object anObject)	Compares this string to the specified object.
boolean	Runtime.Version.equalsIgnoreOptional(Object obj)	Determines whether this Version is equal to another disregarding optional build information.
static String	String.format(String format, Object... args)	Returns a formatted string using the specified format string and arguments.
static String	String.format(Locale l, String format, Object... args)	Returns a formatted string using the specified locale, format string, and arguments.
String	String.formatted(Object... args)	Formats using this string as the format string, and the supplied arguments.
static boolean	Thread.holdsLock(Object obj)	Returns true if and only if the current thread holds the monitor lock on the specified object.
static int	System.identityHashCode(Object x)	Returns the same hash code for the given object as would be returned by the default method hashCode(), whether or not the given object's class overrides hashCode().
StringBuffer	StringBuffer.insert(int offset, Object obj)
StringBuilder	StringBuilder.insert(int offset, Object obj)
boolean	Class.isInstance(Object obj)	Determines if the specified Object is assignment-compatible with the object represented by this Class.
default void	System.Logger.log(System.Logger.Level level, Object obj)	Logs a message produced from the given object.
default void	System.Logger.log(System.Logger.Level level, String format, Object... params)	Logs a message with an optional list of parameters.
void	System.Logger.log(System.Logger.Level level, ResourceBundle bundle, String format, Object... params)	Logs a message with resource bundle and an optional list of parameters.
protected final void	ClassLoader.setSigners(Class<?> c, Object[] signers)	Sets the signers of a class.
static String	String.valueOf(Object obj)	Returns the string representation of the Object argument.

Constructors in java.lang with parameters of type Object

Modifier	Constructor	Description
	AssertionError(Object detailMessage)	Constructs an AssertionError with its detail message derived from the specified object, which is converted to a string as defined in section 5.1.11 of The Java Language Specification.

Uses of Object in java.lang.annotation

Subclasses of Object in java.lang.annotation

Modifier and Type	Class	Description
class	AnnotationFormatError	Thrown when the annotation parser attempts to read an annotation from a class file and determines that the annotation is malformed.
class	AnnotationTypeMismatchException	Thrown to indicate that a program has attempted to access an element of an annotation whose type has changed after the annotation was compiled (or serialized).
class	IncompleteAnnotationException	Thrown to indicate that a program has attempted to access an element of an annotation interface that was added to the annotation interface definition after the annotation was compiled (or serialized).

Methods in java.lang.annotation with parameters of type Object

Modifier and Type	Method	Description
boolean	Annotation.equals(Object obj)	Returns true if the specified object represents an annotation that is logically equivalent to this one.

Uses of Object in java.lang.constant

Subclasses of Object in java.lang.constant

Modifier and Type	Class	Description
final class	ConstantDescs	Predefined values of nominal descriptor for common constants, including descriptors for primitive class types and other common platform types, and descriptors for method handles for standard bootstrap methods.
class	DynamicCallSiteDesc	A nominal descriptor for an invokedynamic call site.
class	DynamicConstantDesc<T>	A nominal descriptor for a dynamic constant (one described in the constant pool with Constant_Dynamic_info.)

Methods in java.lang.constant that return Object

Modifier and Type	Method	Description
Object	ConstantDesc.resolveConstantDesc(MethodHandles.Lookup lookup)	Resolves this descriptor reflectively, emulating the resolution behavior of JVMS 5.4.3 and the access control behavior of JVMS 5.4.4.

Methods in java.lang.constant with parameters of type Object

Modifier and Type	Method	Description
boolean	ClassDesc.equals(Object o)	Compare the specified object with this descriptor for equality.
final boolean	DynamicCallSiteDesc.equals(Object o)	Compares the specified object with this descriptor for equality.
final boolean	DynamicConstantDesc.equals(Object o)	Compares the specified object with this descriptor for equality.
boolean	MethodHandleDesc.equals(Object o)	Compares the specified object with this descriptor for equality.
boolean	MethodTypeDesc.equals(Object o)	Compares the specified object with this descriptor for equality.
boolean	ModuleDesc.equals(Object o)	Compare the specified object with this descriptor for equality.
boolean	PackageDesc.equals(Object o)	Compare the specified object with this descriptor for equality.

Uses of Object in java.lang.foreign

Methods in java.lang.foreign that return types with arguments of type Object

Modifier and Type	Method	Description
Optional<Object>	MemorySegment.heapBase()	Returns the Java object stored in the on-heap region of memory backing this memory segment, if any.

Methods in java.lang.foreign with parameters of type Object

Modifier and Type	Method	Description
static void	MemorySegment.copy(MemorySegmentPREVIEW srcSegment, ValueLayoutPREVIEW srcLayout, long srcOffset, Object dstArray, int dstIndex, int elementCount)	Copies a number of elements from a source memory segment to a destination array.
static void	MemorySegment.copy(Object srcArray, int srcIndex, MemorySegmentPREVIEW dstSegment, ValueLayoutPREVIEW dstLayout, long dstOffset, int elementCount)	Copies a number of elements from a source array to a destination memory segment.
boolean	MemoryLayout.equals(Object other)	Compares the specified object with this layout for equality.
boolean	MemorySegment.equals(Object that)	Compares the specified object with this memory segment for equality.
boolean	MemorySegment.Scope.equals(Object that)	Returns true, if the provided object is also a scope, which models the same lifetime as that modelled by this scope.

Uses of Object in java.lang.instrument

Subclasses of Object in java.lang.instrument

Modifier and Type	Class	Description
final class	ClassDefinition	This class serves as a parameter block to the Instrumentation.redefineClasses method.
class	IllegalClassFormatException	Thrown by an implementation of ClassFileTransformer.transform when its input parameters are invalid.
class	UnmodifiableClassException	Thrown by an implementation of Instrumentation.redefineClasses when one of the specified classes cannot be modified.
class	UnmodifiableModuleException	Thrown to indicate that a module cannot be modified.

Methods in java.lang.instrument with parameters of type Object

Modifier and Type	Method	Description
long	Instrumentation.getObjectSize(Object objectToSize)	Returns an implementation-specific approximation of the amount of storage consumed by the specified object.

Uses of Object in java.lang.invoke

Subclasses of Object in java.lang.invoke

Modifier and Type	Class	Description
class	CallSite	A CallSite is a holder for a variable MethodHandle, which is called its target.
final class	ConstantBootstraps	Bootstrap methods for dynamically-computed constants.
class	ConstantCallSite	A ConstantCallSite is a CallSite whose target is permanent, and can never be changed.
class	LambdaConversionException	LambdaConversionException
final class	LambdaMetafactory	Methods to facilitate the creation of simple "function objects" that implement one or more interfaces by delegation to a provided MethodHandle, possibly after type adaptation and partial evaluation of arguments.
class	MethodHandle	A method handle is a typed, directly executable reference to an underlying method, constructor, field, or similar low-level operation, with optional transformations of arguments or return values.
class	MethodHandleProxies	This class consists exclusively of static methods that help adapt method handles to other JVM types, such as interfaces.
class	MethodHandles	This class consists exclusively of static methods that operate on or return method handles.
static final class	MethodHandles.Lookup	A lookup object is a factory for creating method handles, when the creation requires access checking.
final class	MethodType	A method type represents the arguments and return type accepted and returned by a method handle, or the arguments and return type passed and expected by a method handle caller.
class	MutableCallSite	A MutableCallSite is a CallSite whose target variable behaves like an ordinary field.
final class	SerializedLambda	Serialized form of a lambda expression.
class	StringConcatException	StringConcatException is thrown by StringConcatFactory when linkage invariants are violated.
final class	StringConcatFactory	Methods to facilitate the creation of String concatenation methods, that can be used to efficiently concatenate a known number of arguments of known types, possibly after type adaptation and partial evaluation of arguments.
class	SwitchPoint	A SwitchPoint is an object which can publish state transitions to other threads.
class	VarHandle	A VarHandle is a dynamically strongly typed reference to a variable, or to a parametrically-defined family of variables, including static fields, non-static fields, array elements, or components of an off-heap data structure.
static final class	VarHandle.VarHandleDesc	A nominal descriptor for a VarHandle constant.
class	VolatileCallSite	A VolatileCallSite is a CallSite whose target acts like a volatile variable.
class	WrongMethodTypeException	Thrown to indicate that code has attempted to call a method handle via the wrong method type.

Methods in java.lang.invoke that return Object

Modifier and Type	Method	Description
final Object	VarHandle.compareAndExchange(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.compareAndExchangeAcquire(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.compareAndExchangeRelease(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
static Object	ConstantBootstraps.explicitCast(MethodHandles.Lookup lookup, String name, Class<?> dstType, Object value)	Applies a conversion from a source type to a destination type.
final Object	VarHandle.get(Object... args)	Returns the value of a variable, with memory semantics of reading as if the variable was declared non-volatile.
final Object	VarHandle.getAcquire(Object... args)	Returns the value of a variable, and ensures that subsequent loads and stores are not reordered before this access.
final Object	VarHandle.getAndAdd(Object... args)	Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setVolatile(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndAddAcquire(Object... args)	Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.set(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndAddRelease(Object... args)	Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setRelease(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndBitwiseAnd(Object... args)	Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndBitwiseAndAcquire(Object... args)	Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndBitwiseAndRelease(Object... args)	Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndBitwiseOr(Object... args)	Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndBitwiseOrAcquire(Object... args)	Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndBitwiseOrRelease(Object... args)	Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndBitwiseXor(Object... args)	Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndBitwiseXorAcquire(Object... args)	Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndBitwiseXorRelease(Object... args)	Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndSet(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndSetAcquire(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndSetRelease(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
Object	SerializedLambda.getCapturedArg(int i)	Get a dynamic argument to the lambda capture site.
final Object	VarHandle.getOpaque(Object... args)	Returns the value of a variable, accessed in program order, but with no assurance of memory ordering effects with respect to other threads.
static Object	ConstantBootstraps.getStaticFinal(MethodHandles.Lookup lookup, String name, Class<?> type)	Returns the value of a static final field declared in the class which is the same as the field's type (or, for primitive-valued fields, declared in the wrapper class.)
static Object	ConstantBootstraps.getStaticFinal(MethodHandles.Lookup lookup, String name, Class<?> type, Class<?> declaringClass)	Returns the value of a static final field.
final Object	VarHandle.getVolatile(Object... args)	Returns the value of a variable, with memory semantics of reading as if the variable was declared volatile.
static Object	ConstantBootstraps.invoke(MethodHandles.Lookup lookup, String name, Class<?> type, MethodHandle handle, Object... args)	Returns the result of invoking a method handle with the provided arguments.
final Object	MethodHandle.invoke(Object... args)	Invokes the method handle, allowing any caller type descriptor, and optionally performing conversions on arguments and return values.
final Object	MethodHandle.invokeExact(Object... args)	Invokes the method handle, allowing any caller type descriptor, but requiring an exact type match.
Object	MethodHandle.invokeWithArguments(Object... arguments)	Performs a variable arity invocation, passing the arguments in the given array to the method handle, as if via an inexact invoke from a call site which mentions only the type Object, and whose actual argument count is the length of the argument array.
Object	MethodHandle.invokeWithArguments(List<?> arguments)	Performs a variable arity invocation, passing the arguments in the given list to the method handle, as if via an inexact invoke from a call site which mentions only the type Object, and whose actual argument count is the length of the argument list.
static Object	ConstantBootstraps.nullConstant(MethodHandles.Lookup lookup, String name, Class<?> type)	Returns a null object reference for the reference type specified by type.

Methods in java.lang.invoke with parameters of type Object

Modifier and Type	Method	Description
static CallSite	LambdaMetafactory.altMetafactory(MethodHandles.Lookup caller, String interfaceMethodName, MethodType factoryType, Object... args)	Facilitates the creation of simple "function objects" that implement one or more interfaces by delegation to a provided MethodHandle, after appropriate type adaptation and partial evaluation of arguments.
MethodHandle	MethodHandles.Lookup.bind(Object receiver, String name, MethodType type)	Produces an early-bound method handle for a non-static method.
MethodHandle	MethodHandle.bindTo(Object x)	Binds a value x to the first argument of a method handle, without invoking it.
final Object	VarHandle.compareAndExchange(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.compareAndExchangeAcquire(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.compareAndExchangeRelease(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final boolean	VarHandle.compareAndSet(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
static MethodHandle	MethodHandles.constant(Class<?> type, Object value)	Produces a method handle of the requested return type which returns the given constant value every time it is invoked.
MethodHandles.Lookup	MethodHandles.Lookup.defineHiddenClassWithClassData(byte[] bytes, Object classData, boolean initialize, MethodHandles.Lookup.ClassOption... options)	Creates a hidden class or interface from bytes with associated class data, returning a Lookup on the newly created class or interface.
boolean	MethodType.equals(Object x)	Compares the specified object with this type for equality.
static Object	ConstantBootstraps.explicitCast(MethodHandles.Lookup lookup, String name, Class<?> dstType, Object value)	Applies a conversion from a source type to a destination type.
final Object	VarHandle.get(Object... args)	Returns the value of a variable, with memory semantics of reading as if the variable was declared non-volatile.
final Object	VarHandle.getAcquire(Object... args)	Returns the value of a variable, and ensures that subsequent loads and stores are not reordered before this access.
final Object	VarHandle.getAndAdd(Object... args)	Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setVolatile(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndAddAcquire(Object... args)	Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.set(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndAddRelease(Object... args)	Atomically adds the value to the current value of a variable with the memory semantics of VarHandle.setRelease(java.lang.Object...), and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndBitwiseAnd(Object... args)	Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndBitwiseAndAcquire(Object... args)	Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndBitwiseAndRelease(Object... args)	Atomically sets the value of a variable to the result of bitwise AND between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndBitwiseOr(Object... args)	Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndBitwiseOrAcquire(Object... args)	Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndBitwiseOrRelease(Object... args)	Atomically sets the value of a variable to the result of bitwise OR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndBitwiseXor(Object... args)	Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndBitwiseXorAcquire(Object... args)	Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndBitwiseXorRelease(Object... args)	Atomically sets the value of a variable to the result of bitwise XOR between the variable's current value and the mask with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getAndSet(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final Object	VarHandle.getAndSetAcquire(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.set(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final Object	VarHandle.getAndSetRelease(Object... args)	Atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setRelease(java.lang.Object...) and returns the variable's previous value, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final Object	VarHandle.getOpaque(Object... args)	Returns the value of a variable, accessed in program order, but with no assurance of memory ordering effects with respect to other threads.
final Object	VarHandle.getVolatile(Object... args)	Returns the value of a variable, with memory semantics of reading as if the variable was declared volatile.
static MethodHandle	MethodHandles.insertArguments(MethodHandle target, int pos, Object... values)	Provides a target method handle with one or more bound arguments in advance of the method handle's invocation.
static VarHandle	MethodHandles.insertCoordinates(VarHandle target, int pos, Object... values)	Preview. Provides a target var handle with one or more bound coordinates in advance of the var handle's invocation.
static Object	ConstantBootstraps.invoke(MethodHandles.Lookup lookup, String name, Class<?> type, MethodHandle handle, Object... args)	Returns the result of invoking a method handle with the provided arguments.
final Object	MethodHandle.invoke(Object... args)	Invokes the method handle, allowing any caller type descriptor, and optionally performing conversions on arguments and return values.
final Object	MethodHandle.invokeExact(Object... args)	Invokes the method handle, allowing any caller type descriptor, but requiring an exact type match.
Object	MethodHandle.invokeWithArguments(Object... arguments)	Performs a variable arity invocation, passing the arguments in the given array to the method handle, as if via an inexact invoke from a call site which mentions only the type Object, and whose actual argument count is the length of the argument array.
static boolean	MethodHandleProxies.isWrapperInstance(Object x)	Determines if the given object was produced by a call to asInterfaceInstance.
static CallSite	StringConcatFactory.makeConcatWithConstants(MethodHandles.Lookup lookup, String name, MethodType concatType, String recipe, Object... constants)	Facilitates the creation of optimized String concatenation methods, that can be used to efficiently concatenate a known number of arguments of known types, possibly after type adaptation and partial evaluation of arguments.
final void	VarHandle.set(Object... args)	Sets the value of a variable to the newValue, with memory semantics of setting as if the variable was declared non-volatile and non-final.
final void	VarHandle.setOpaque(Object... args)	Sets the value of a variable to the newValue, in program order, but with no assurance of memory ordering effects with respect to other threads.
final void	VarHandle.setRelease(Object... args)	Sets the value of a variable to the newValue, and ensures that prior loads and stores are not reordered after this access.
final void	VarHandle.setVolatile(Object... args)	Sets the value of a variable to the newValue, with memory semantics of setting as if the variable was declared volatile.
final boolean	VarHandle.weakCompareAndSet(Object... args)	Possibly atomically sets the value of a variable to the newValue with the memory semantics of VarHandle.setVolatile(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getVolatile(java.lang.Object...).
final boolean	VarHandle.weakCompareAndSetAcquire(Object... args)	Possibly atomically sets the value of a variable to the newValue with the semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.getAcquire(java.lang.Object...).
final boolean	VarHandle.weakCompareAndSetPlain(Object... args)	Possibly atomically sets the value of a variable to the newValue with the semantics of VarHandle.set(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
final boolean	VarHandle.weakCompareAndSetRelease(Object... args)	Possibly atomically sets the value of a variable to the newValue with the semantics of VarHandle.setRelease(java.lang.Object...) if the variable's current value, referred to as the witness value, == the expectedValue, as accessed with the memory semantics of VarHandle.get(java.lang.Object...).
static MethodHandle	MethodHandleProxies.wrapperInstanceTarget(Object x)	Produces or recovers a target method handle which is behaviorally equivalent to the unique method of this wrapper instance.
static Class<?>	MethodHandleProxies.wrapperInstanceType(Object x)	Recovers the unique single-method interface type for which this wrapper instance was created.

Constructors in java.lang.invoke with parameters of type Object

Modifier	Constructor	Description
	SerializedLambda(Class<?> capturingClass, String functionalInterfaceClass, String functionalInterfaceMethodName, String functionalInterfaceMethodSignature, int implMethodKind, String implClass, String implMethodName, String implMethodSignature, String instantiatedMethodType, Object[] capturedArgs)	Create a SerializedLambda from the low-level information present at the lambda factory site.

Uses of Object in java.lang.management

Subclasses of Object in java.lang.management

Modifier and Type	Class	Description
class	LockInfo	Information about a lock.
class	ManagementFactory	The ManagementFactory class is a factory class for getting managed beans for the Java platform.
final class	ManagementPermission	The permission which the SecurityManager will check when code that is running with a SecurityManager calls methods defined in the management interface for the Java platform.
class	MemoryNotificationInfo	The information about a memory notification.
class	MemoryUsage	A MemoryUsage object represents a snapshot of memory usage.
class	MonitorInfo	Information about an object monitor lock.
class	ThreadInfo	Thread information.

Uses of Object in java.lang.module

Subclasses of Object in java.lang.module

Modifier and Type	Class	Description
final class	Configuration	A configuration that is the result of resolution or resolution with service binding.
class	FindException	Thrown by a ModuleFinder when an error occurs finding a module.
class	InvalidModuleDescriptorException	Thrown when reading a module descriptor and the module descriptor is found to be malformed or otherwise cannot be interpreted as a module descriptor.
class	ModuleDescriptor	A module descriptor.
static final class	ModuleDescriptor.Builder	A builder for building ModuleDescriptor objects.
static final class	ModuleDescriptor.Exports	A package exported by a module, may be qualified or unqualified.
static final class	ModuleDescriptor.Opens	A package opened by a module, may be qualified or unqualified.
static final class	ModuleDescriptor.Provides	A service that a module provides one or more implementations of.
static final class	ModuleDescriptor.Requires	A dependence upon a module.
static final class	ModuleDescriptor.Version	A module's version string.
class	ModuleReference	A reference to a module's content.
class	ResolutionException	Thrown when resolving a set of modules, or resolving a set of modules with service binding, fails.
final class	ResolvedModule	A module in a graph of resolved modules.

Methods in java.lang.module with parameters of type Object

Modifier and Type	Method	Description
boolean	ModuleDescriptor.equals(Object ob)	Tests this module descriptor for equality with the given object.
boolean	ModuleDescriptor.Exports.equals(Object ob)	Tests this module export for equality with the given object.
boolean	ModuleDescriptor.Opens.equals(Object ob)	Tests this module Opens for equality with the given object.
boolean	ModuleDescriptor.Provides.equals(Object ob)	Tests this Provides for equality with the given object.
boolean	ModuleDescriptor.Requires.equals(Object ob)	Tests this module dependence for equality with the given object.
boolean	ModuleDescriptor.Version.equals(Object ob)	Tests this module version for equality with the given object.
boolean	ResolvedModule.equals(Object ob)	Tests this resolved module for equality with the given object.

Uses of Object in java.lang.ref

Subclasses of Object in java.lang.ref

Modifier and Type	Class	Description
final class	Cleaner	Cleaner manages a set of object references and corresponding cleaning actions.
class	PhantomReference<T>	Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed.
class	Reference<T>	Abstract base class for reference objects.
class	ReferenceQueue<T>	Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected.
class	SoftReference<T>	Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand.
class	WeakReference<T>	Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed.

Methods in java.lang.ref that return Object

Modifier and Type	Method	Description
protected Object	Reference.clone()	Throws CloneNotSupportedException.

Methods in java.lang.ref with parameters of type Object

Modifier and Type	Method	Description
static void	Reference.reachabilityFence(Object ref)	Ensures that the object referenced by the given reference remains strongly reachable, regardless of any prior actions of the program that might otherwise cause the object to become unreachable; thus, the referenced object is not reclaimable by garbage collection at least until after the invocation of this method.
Cleaner.Cleanable	Cleaner.register(Object obj, Runnable action)	Registers an object and a cleaning action to run when the object becomes phantom reachable.

Uses of Object in java.lang.reflect

Subclasses of Object in java.lang.reflect

Modifier and Type	Class	Description
class	AccessibleObject	The AccessibleObject class is the base class for Field, Method, and Constructor objects (known as reflected objects).
final class	Array	The Array class provides static methods to dynamically create and access Java arrays.
final class	Constructor<T>	Constructor provides information about, and access to, a single constructor for a class.
class	Executable	A shared superclass for the common functionality of Method and Constructor.
final class	Field	A Field provides information about, and dynamic access to, a single field of a class or an interface.
class	GenericSignatureFormatError	Thrown when a syntactically malformed signature attribute is encountered by a reflective method that needs to interpret the generic signature information for a class or interface, method or constructor.
class	InaccessibleObjectException	Thrown when Java language access checks cannot be suppressed.
class	InvocationTargetException	InvocationTargetException is a checked exception that wraps an exception thrown by an invoked method or constructor.
class	MalformedParameterizedTypeException	Thrown when a semantically malformed parameterized type is encountered by a reflective method that needs to instantiate it.
class	MalformedParametersException	Thrown when the java.lang.reflect package attempts to read method parameters from a class file and determines that one or more parameters are malformed.
final class	Method	A Method provides information about, and access to, a single method on a class or interface.
class	Modifier	The Modifier class provides static methods and constants to decode class and member access modifiers.
final class	Parameter	Information about method parameters.
class	Proxy	Proxy provides static methods for creating objects that act like instances of interfaces but allow for customized method invocation.
final class	RecordComponent	A RecordComponent provides information about, and dynamic access to, a component of a record class.
final class	ReflectPermission	The Permission class for reflective operations.
class	UndeclaredThrowableException	Thrown by a method invocation on a proxy instance if its invocation handler's invoke method throws a checked exception (a Throwable that is not assignable to RuntimeException or Error) that is not assignable to any of the exception types declared in the throws clause of the method that was invoked on the proxy instance and dispatched to the invocation handler.

Methods in java.lang.reflect that return Object

Modifier and Type	Method	Description
static Object	Array.get(Object array, int index)	Returns the value of the indexed component in the specified array object.
Object	Field.get(Object obj)	Returns the value of the field represented by this Field, on the specified object.
Object	Method.getDefaultValue()	Returns the default value for the annotation member represented by this Method instance.
Object	InvocationHandler.invoke(Object proxy, Method method, Object[] args)	Processes a method invocation on a proxy instance and returns the result.
Object	Method.invoke(Object obj, Object... args)	Invokes the underlying method represented by this Method object, on the specified object with the specified parameters.
static Object	InvocationHandler.invokeDefault(Object proxy, Method method, Object... args)	Invokes the specified default method on the given proxy instance with the given parameters.
static Object	Array.newInstance(Class<?> componentType, int length)	Creates a new array with the specified component type and length.
static Object	Array.newInstance(Class<?> componentType, int... dimensions)	Creates a new array with the specified component type and dimensions.
static Object	Proxy.newProxyInstance(ClassLoader loader, Class<?>[] interfaces, InvocationHandler h)	Returns a proxy instance for the specified interfaces that dispatches method invocations to the specified invocation handler.

Methods in java.lang.reflect with parameters of type Object

Modifier and Type	Method	Description
final boolean	AccessibleObject.canAccess(Object obj)	Test if the caller can access this reflected object.
boolean	Constructor.equals(Object obj)	Compares this Constructor against the specified object.
boolean	Field.equals(Object obj)	Compares this Field against the specified object.
boolean	Method.equals(Object obj)	Compares this Method against the specified object.
boolean	Parameter.equals(Object obj)	Compares based on the executable and the index.
static Object	Array.get(Object array, int index)	Returns the value of the indexed component in the specified array object.
Object	Field.get(Object obj)	Returns the value of the field represented by this Field, on the specified object.
static boolean	Array.getBoolean(Object array, int index)	Returns the value of the indexed component in the specified array object, as a boolean.
boolean	Field.getBoolean(Object obj)	Gets the value of a static or instance boolean field.
static byte	Array.getByte(Object array, int index)	Returns the value of the indexed component in the specified array object, as a byte.
byte	Field.getByte(Object obj)	Gets the value of a static or instance byte field.
static char	Array.getChar(Object array, int index)	Returns the value of the indexed component in the specified array object, as a char.
char	Field.getChar(Object obj)	Gets the value of a static or instance field of type char or of another primitive type convertible to type char via a widening conversion.
static double	Array.getDouble(Object array, int index)	Returns the value of the indexed component in the specified array object, as a double.
double	Field.getDouble(Object obj)	Gets the value of a static or instance field of type double or of another primitive type convertible to type double via a widening conversion.
static float	Array.getFloat(Object array, int index)	Returns the value of the indexed component in the specified array object, as a float.
float	Field.getFloat(Object obj)	Gets the value of a static or instance field of type float or of another primitive type convertible to type float via a widening conversion.
static int	Array.getInt(Object array, int index)	Returns the value of the indexed component in the specified array object, as an int.
int	Field.getInt(Object obj)	Gets the value of a static or instance field of type int or of another primitive type convertible to type int via a widening conversion.
static InvocationHandler	Proxy.getInvocationHandler(Object proxy)	Returns the invocation handler for the specified proxy instance.
static int	Array.getLength(Object array)	Returns the length of the specified array object, as an int.
static long	Array.getLong(Object array, int index)	Returns the value of the indexed component in the specified array object, as a long.
long	Field.getLong(Object obj)	Gets the value of a static or instance field of type long or of another primitive type convertible to type long via a widening conversion.
static short	Array.getShort(Object array, int index)	Returns the value of the indexed component in the specified array object, as a short.
short	Field.getShort(Object obj)	Gets the value of a static or instance field of type short or of another primitive type convertible to type short via a widening conversion.
Object	InvocationHandler.invoke(Object proxy, Method method, Object[] args)	Processes a method invocation on a proxy instance and returns the result.
Object	Method.invoke(Object obj, Object... args)	Invokes the underlying method represented by this Method object, on the specified object with the specified parameters.
static Object	InvocationHandler.invokeDefault(Object proxy, Method method, Object... args)	Invokes the specified default method on the given proxy instance with the given parameters.
T	Constructor.newInstance(Object... initargs)	Uses the constructor represented by this Constructor object to create and initialize a new instance of the constructor's declaring class, with the specified initialization parameters.
static void	Array.set(Object array, int index, Object value)	Sets the value of the indexed component of the specified array object to the specified new value.
void	Field.set(Object obj, Object value)	Sets the field represented by this Field object on the specified object argument to the specified new value.
static void	Array.setBoolean(Object array, int index, boolean z)	Sets the value of the indexed component of the specified array object to the specified boolean value.
void	Field.setBoolean(Object obj, boolean z)	Sets the value of a field as a boolean on the specified object.
static void	Array.setByte(Object array, int index, byte b)	Sets the value of the indexed component of the specified array object to the specified byte value.
void	Field.setByte(Object obj, byte b)	Sets the value of a field as a byte on the specified object.
static void	Array.setChar(Object array, int index, char c)	Sets the value of the indexed component of the specified array object to the specified char value.
void	Field.setChar(Object obj, char c)	Sets the value of a field as a char on the specified object.
static void	Array.setDouble(Object array, int index, double d)	Sets the value of the indexed component of the specified array object to the specified double value.
void	Field.setDouble(Object obj, double d)	Sets the value of a field as a double on the specified object.
static void	Array.setFloat(Object array, int index, float f)	Sets the value of the indexed component of the specified array object to the specified float value.
void	Field.setFloat(Object obj, float f)	Sets the value of a field as a float on the specified object.
static void	Array.setInt(Object array, int index, int i)	Sets the value of the indexed component of the specified array object to the specified int value.
void	Field.setInt(Object obj, int i)	Sets the value of a field as an int on the specified object.
static void	Array.setLong(Object array, int index, long l)	Sets the value of the indexed component of the specified array object to the specified long value.
void	Field.setLong(Object obj, long l)	Sets the value of a field as a long on the specified object.
static void	Array.setShort(Object array, int index, short s)	Sets the value of the indexed component of the specified array object to the specified short value.
void	Field.setShort(Object obj, short s)	Sets the value of a field as a short on the specified object.

Uses of Object in java.lang.runtime

Subclasses of Object in java.lang.runtime

Modifier and Type	Class	Description
class	ObjectMethods	Bootstrap methods for state-driven implementations of core methods, including equals(Object), hashCode(), and toString().
class	SwitchBootstraps	Bootstrap methods for linking invokedynamic call sites that implement the selection functionality of the switch statement.
final class	TemplateRuntimePREVIEW	Preview. Manages string template bootstrap methods.

Methods in java.lang.runtime that return Object

Modifier and Type	Method	Description
static Object	ObjectMethods.bootstrap(MethodHandles.Lookup lookup, String methodName, TypeDescriptor type, Class<?> recordClass, String names, MethodHandle... getters)	Bootstrap method to generate the equals(Object), hashCode(), and toString() methods, based on a description of the component names and accessor methods, for either invokedynamic call sites or dynamic constant pool entries.

Methods in java.lang.runtime with parameters of type Object

Modifier and Type	Method	Description
static CallSite	SwitchBootstraps.enumSwitch(MethodHandles.Lookup lookup, String invocationName, MethodType invocationType, Object... labels)	Bootstrap method for linking an invokedynamic call site that implements a switch on a target of an enum type.
static CallSite	SwitchBootstraps.typeSwitch(MethodHandles.Lookup lookup, String invocationName, MethodType invocationType, Object... labels)	Bootstrap method for linking an invokedynamic call site that implements a switch on a target of a reference type.

Uses of Object in java.math

Subclasses of Object in java.math

Modifier and Type	Class	Description
class	BigDecimal	Immutable, arbitrary-precision signed decimal numbers.
class	BigInteger	Immutable arbitrary-precision integers.
final class	MathContext	Immutable objects which encapsulate the context settings which describe certain rules for numerical operators, such as those implemented by the BigDecimal class.

Methods in java.math with parameters of type Object

Modifier and Type	Method	Description
boolean	BigDecimal.equals(Object x)	Compares this BigDecimal with the specified Object for equality.
boolean	BigInteger.equals(Object x)	Compares this BigInteger with the specified Object for equality.
boolean	MathContext.equals(Object x)	Compares this MathContext with the specified Object for equality.

Uses of Object in java.net

Subclasses of Object in java.net

Modifier and Type	Class	Description
class	Authenticator	The class Authenticator represents an object that knows how to obtain authentication for a network connection.
class	BindException	Signals that an error occurred while attempting to bind a socket to a local address and port.
class	CacheRequest	Represents channels for storing resources in the ResponseCache.
class	CacheResponse	Represent channels for retrieving resources from the ResponseCache.
class	ConnectException	Signals that an error occurred while attempting to connect a socket to a remote address and port.
class	ContentHandler	The abstract class ContentHandler is the superclass of all classes that read an Object from a URLConnection.
class	CookieHandler	A CookieHandler object provides a callback mechanism to hook up a HTTP state management policy implementation into the HTTP protocol handler.
class	CookieManager	CookieManager provides a concrete implementation of CookieHandler, which separates the storage of cookies from the policy surrounding accepting and rejecting cookies.
final class	DatagramPacket	This class represents a datagram packet.
class	DatagramSocket	This class represents a socket for sending and receiving datagram packets.
class	DatagramSocketImpl	Abstract datagram and multicast socket implementation base class.
final class	HttpCookie	An HttpCookie object represents an HTTP cookie, which carries state information between server and user agent.
class	HttpRetryException	Thrown to indicate that a HTTP request needs to be retried but cannot be retried automatically, due to streaming mode being enabled.
class	HttpURLConnection	A URLConnection with support for HTTP-specific features.
final class	IDN	Provides methods to convert internationalized domain names (IDNs) between a normal Unicode representation and an ASCII Compatible Encoding (ACE) representation.
final class	Inet4Address	This class represents an Internet Protocol version 4 (IPv4) address.
final class	Inet6Address	This class represents an Internet Protocol version 6 (IPv6) address.
class	InetAddress	This class represents an Internet Protocol (IP) address.
class	InetSocketAddress	This class implements an IP Socket Address (IP address + port number) It can also be a pair (hostname + port number), in which case an attempt will be made to resolve the hostname.
class	InterfaceAddress	This class represents a Network Interface address.
class	JarURLConnection	A URL Connection to a Java ARchive (JAR) file or an entry in a JAR file.
class	MalformedURLException	Thrown to indicate that a malformed URL has occurred.
class	MulticastSocket	A MulticastSocket is a datagram socket that is convenient for sending and receiving IP multicast datagrams.
final class	NetPermission	This class is for various network permissions.
final class	NetworkInterface	This class represents a Network Interface made up of a name, and a list of IP addresses assigned to this interface.
class	NoRouteToHostException	Signals that an error occurred while attempting to connect a socket to a remote address and port.
final class	PasswordAuthentication	The class PasswordAuthentication is a data holder that is used by Authenticator.
class	PortUnreachableException	Signals that an ICMP Port Unreachable message has been received on a connected datagram.
class	ProtocolException	Thrown to indicate that there is an error in the underlying protocol, such as a TCP error.
class	Proxy	This class represents a proxy setting, typically a type (http, socks) and a socket address.
class	ProxySelector	Selects the proxy server to use, if any, when connecting to the network resource referenced by a URL.
class	ResponseCache	Represents implementations of URLConnection caches.
class	SecureCacheResponse	Represents a cache response originally retrieved through secure means, such as TLS.
class	ServerSocket	This class implements server sockets.
class	Socket	This class implements client sockets (also called just "sockets").
class	SocketAddress	This class represents a Socket Address with no protocol attachment.
class	SocketException	Thrown to indicate that there is an error creating or accessing a Socket.
class	SocketImpl	The abstract class SocketImpl is a common superclass of all classes that actually implement sockets.
final class	SocketPermission	This class represents access to a network via sockets.
class	SocketTimeoutException	Signals that a timeout has occurred on a socket read or accept.
final class	StandardSocketOptions	Defines the standard socket options.
final class	UnixDomainSocketAddress	A Unix domain socket address.
class	UnknownHostException	Thrown to indicate that the IP address of a host could not be determined.
class	UnknownServiceException	Thrown to indicate that an unknown service exception has occurred.
final class	URI	Represents a Uniform Resource Identifier (URI) reference.
class	URISyntaxException	Checked exception thrown to indicate that a string could not be parsed as a URI reference.
final class	URL	Class URL represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web.
class	URLClassLoader	This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
class	URLConnection	The abstract class URLConnection is the superclass of all classes that represent a communications link between the application and a URL.
class	URLDecoder	Utility class for HTML form decoding.
class	URLEncoder	Utility class for HTML form encoding.
final class	URLPermission	Represents permission to access a resource or set of resources defined by a given url, and for a given set of user-settable request methods and request headers.
class	URLStreamHandler	The abstract class URLStreamHandler is the common superclass for all stream protocol handlers.

Methods in java.net that return Object

Modifier and Type	Method	Description
Object	HttpCookie.clone()	Create and return a copy of this object.
abstract Object	ContentHandler.getContent(URLConnection urlc)	Given a URL connect stream positioned at the beginning of the representation of an object, this method reads that stream and creates an object from it.
Object	ContentHandler.getContent(URLConnection urlc, Class[] classes)	Given a URL connect stream positioned at the beginning of the representation of an object, this method reads that stream and creates an object that matches one of the types specified.
final Object	URL.getContent()	Gets the contents of this URL.
final Object	URL.getContent(Class<?>[] classes)	Gets the contents of this URL.
Object	URLConnection.getContent()	Retrieves the contents of this URL connection.
Object	URLConnection.getContent(Class<?>[] classes)	Retrieves the contents of this URL connection.
Object	SocketOptions.getOption(int optID)	Fetch the value of an option.

Methods in java.net with parameters of type Object

Modifier and Type	Method	Description
boolean	HttpCookie.equals(Object obj)	Test the equality of two HTTP cookies.
boolean	Inet4Address.equals(Object obj)	Compares this object against the specified object.
boolean	Inet6Address.equals(Object obj)	Compares this object against the specified object.
boolean	InetAddress.equals(Object obj)	Compares this object against the specified object.
final boolean	InetSocketAddress.equals(Object obj)	Compares this object against the specified object.
boolean	InterfaceAddress.equals(Object obj)	Compares this object against the specified object.
boolean	NetworkInterface.equals(Object obj)	Compares this object against the specified object.
final boolean	Proxy.equals(Object obj)	Compares this object against the specified object.
boolean	SocketPermission.equals(Object obj)	Checks two SocketPermission objects for equality.
boolean	UnixDomainSocketAddress.equals(Object o)	Compares this address with another object.
boolean	URI.equals(Object ob)	Tests this URI for equality with another object.
boolean	URL.equals(Object obj)	Compares this URL for equality with another object.
boolean	URLPermission.equals(Object p)	Returns true if, this.getActions().equals(p.getActions()) and p's url equals this's url.
void	SocketOptions.setOption(int optID, Object value)	Enable/disable the option specified by optID.

Uses of Object in java.net.http

Subclasses of Object in java.net.http

Modifier and Type	Class	Description
class	HttpClient	An HTTP Client.
class	HttpConnectTimeoutException	Thrown when a connection, over which an HttpRequest is intended to be sent, is not successfully established within a specified time period.
final class	HttpHeaders	A read-only view of a set of HTTP headers.
class	HttpRequest	An HTTP request.
static class	HttpRequest.BodyPublishers	Implementations of BodyPublisher that implement various useful publishers, such as publishing the request body from a String, or from a file.
static class	HttpResponse.BodyHandlers	Implementations of BodyHandler that implement various useful handlers, such as handling the response body as a String, or streaming the response body to a file.
static class	HttpResponse.BodySubscribers	Implementations of BodySubscriber that implement various useful subscribers, such as converting the response body bytes into a String, or streaming the bytes to a file.
class	HttpTimeoutException	Thrown when a response is not received within a specified time period.
final class	WebSocketHandshakeException	Thrown when the opening handshake has failed.

Methods in java.net.http with parameters of type Object

Modifier and Type	Method	Description
final boolean	HttpHeaders.equals(Object obj)	Tests this HTTP headers instance for equality with the given object.
final boolean	HttpRequest.equals(Object obj)	Tests this HTTP request instance for equality with the given object.

Uses of Object in java.net.spi

Subclasses of Object in java.net.spi

Modifier and Type	Class	Description
static final class	InetAddressResolver.LookupPolicy	A LookupPolicy object describes characteristics that can be applied to a lookup operation.
class	InetAddressResolverProvider	Service-provider class for InetAddress resolvers.
class	URLStreamHandlerProvider	URL stream handler service-provider class.

Uses of Object in java.nio

Subclasses of Object in java.nio

Modifier and Type	Class	Description
class	Buffer	A container for data of a specific primitive type.
class	BufferOverflowException	Unchecked exception thrown when a relative put operation reaches the target buffer's limit.
class	BufferUnderflowException	Unchecked exception thrown when a relative get operation reaches the source buffer's limit.
class	ByteBuffer	A byte buffer.
final class	ByteOrder	A typesafe enumeration for byte orders.
class	CharBuffer	A char buffer.
class	DoubleBuffer	A double buffer.
class	FloatBuffer	A float buffer.
class	IntBuffer	An int buffer.
class	InvalidMarkException	Unchecked exception thrown when an attempt is made to reset a buffer when its mark is not defined.
class	LongBuffer	A long buffer.
class	MappedByteBuffer	A direct byte buffer whose content is a memory-mapped region of a file.
class	ReadOnlyBufferException	Unchecked exception thrown when a content-mutation method such as put or compact is invoked upon a read-only buffer.
class	ShortBuffer	A short buffer.

Methods in java.nio that return Object

Modifier and Type	Method	Description
abstract Object	Buffer.array()	Returns the array that backs this buffer (optional operation).

Methods in java.nio with parameters of type Object

Modifier and Type	Method	Description
boolean	ByteBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.
boolean	CharBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.
boolean	DoubleBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.
boolean	FloatBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.
boolean	IntBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.
boolean	LongBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.
boolean	ShortBuffer.equals(Object ob)	Tells whether or not this buffer is equal to another object.

Uses of Object in java.nio.channels

Subclasses of Object in java.nio.channels

Modifier and Type	Class	Description
class	AcceptPendingException	Unchecked exception thrown when an attempt is made to initiate an accept operation on a channel and a previous accept operation has not completed.
class	AlreadyBoundException	Unchecked exception thrown when an attempt is made to bind the socket a network oriented channel that is already bound.
class	AlreadyConnectedException	Unchecked exception thrown when an attempt is made to connect a SocketChannel that is already connected.
class	AsynchronousChannelGroup	A grouping of asynchronous channels for the purpose of resource sharing.
class	AsynchronousCloseException	Checked exception received by a thread when another thread closes the channel or the part of the channel upon which it is blocked in an I/O operation.
class	AsynchronousFileChannel	An asynchronous channel for reading, writing, and manipulating a file.
class	AsynchronousServerSocketChannel	An asynchronous channel for stream-oriented listening sockets.
class	AsynchronousSocketChannel	An asynchronous channel for stream-oriented connecting sockets.
class	CancelledKeyException	Unchecked exception thrown when an attempt is made to use a selection key that is no longer valid.
final class	Channels	Utility methods for channels and streams.
class	ClosedByInterruptException	Checked exception received by a thread when another thread interrupts it while it is blocked in an I/O operation upon a channel.
class	ClosedChannelException	Checked exception thrown when an attempt is made to invoke or complete an I/O operation upon channel that is closed, or at least closed to that operation.
class	ClosedSelectorException	Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a closed selector.
class	ConnectionPendingException	Unchecked exception thrown when an attempt is made to connect a SocketChannel for which a non-blocking connection operation is already in progress.
class	DatagramChannel	A selectable channel for datagram-oriented sockets.
class	FileChannel	A channel for reading, writing, mapping, and manipulating a file.
static class	FileChannel.MapMode	A file-mapping mode.
class	FileLock	A token representing a lock on a region of a file.
class	FileLockInterruptionException	Checked exception received by a thread when another thread interrupts it while it is waiting to acquire a file lock.
class	IllegalBlockingModeException	Unchecked exception thrown when a blocking-mode-specific operation is invoked upon a channel in the incorrect blocking mode.
class	IllegalChannelGroupException	Unchecked exception thrown when an attempt is made to open a channel in a group that was not created by the same provider.
class	IllegalSelectorException	Unchecked exception thrown when an attempt is made to register a channel with a selector that was not created by the provider that created the channel.
class	InterruptedByTimeoutException	Checked exception received by a thread when a timeout elapses before an asynchronous operation completes.
class	MembershipKey	A token representing the membership of an Internet Protocol (IP) multicast group.
class	NoConnectionPendingException	Unchecked exception thrown when the finishConnect method of a SocketChannel is invoked without first successfully invoking its connect method.
class	NonReadableChannelException	Unchecked exception thrown when an attempt is made to read from a channel that was not originally opened for reading.
class	NonWritableChannelException	Unchecked exception thrown when an attempt is made to write to a channel that was not originally opened for writing.
class	NotYetBoundException	Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a server socket channel that is not yet bound.
class	NotYetConnectedException	Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a socket channel that is not yet connected.
class	OverlappingFileLockException	Unchecked exception thrown when an attempt is made to acquire a lock on a region of a file that overlaps a region already locked by the same Java virtual machine, or when another thread is already waiting to lock an overlapping region of the same file.
class	Pipe	A pair of channels that implements a unidirectional pipe.
static class	Pipe.SinkChannel	A channel representing the writable end of a Pipe.
static class	Pipe.SourceChannel	A channel representing the readable end of a Pipe.
class	ReadPendingException	Unchecked exception thrown when an attempt is made to read from an asynchronous socket channel and a previous read has not completed.
class	SelectableChannel	A channel that can be multiplexed via a Selector.
class	SelectionKey	A token representing the registration of a SelectableChannel with a Selector.
class	Selector	A multiplexor of SelectableChannel objects.
class	ServerSocketChannel	A selectable channel for stream-oriented listening sockets.
class	ShutdownChannelGroupException	Unchecked exception thrown when an attempt is made to construct a channel in a group that is shutdown or the completion handler for an I/O operation cannot be invoked because the channel group has terminated.
class	SocketChannel	A selectable channel for stream-oriented connecting sockets.
class	UnresolvedAddressException	Unchecked exception thrown when an attempt is made to invoke a network operation upon an unresolved socket address.
class	UnsupportedAddressTypeException	Unchecked exception thrown when an attempt is made to bind or connect to a socket address of a type that is not supported.
class	WritePendingException	Unchecked exception thrown when an attempt is made to write to an asynchronous socket channel and a previous write has not completed.

Methods in java.nio.channels that return Object

Modifier and Type	Method	Description
final Object	SelectionKey.attach(Object ob)	Attaches the given object to this key.
final Object	SelectionKey.attachment()	Retrieves the current attachment.
abstract Object	SelectableChannel.blockingLock()	Retrieves the object upon which the configureBlocking and register methods synchronize.

Methods in java.nio.channels with parameters of type Object

Modifier and Type	Method	Description
final Object	SelectionKey.attach(Object ob)	Attaches the given object to this key.
abstract SelectionKey	SelectableChannel.register(Selector sel, int ops, Object att)	Registers this channel with the given selector, returning a selection key.

Uses of Object in java.nio.channels.spi

Subclasses of Object in java.nio.channels.spi

Modifier and Type	Class	Description
class	AbstractInterruptibleChannel	Base implementation class for interruptible channels.
class	AbstractSelectableChannel	Base implementation class for selectable channels.
class	AbstractSelectionKey	Base implementation class for selection keys.
class	AbstractSelector	Base implementation class for selectors.
class	AsynchronousChannelProvider	Service-provider class for asynchronous channels.
class	SelectorProvider	Service-provider class for selectors and selectable channels.

Methods in java.nio.channels.spi that return Object

Modifier and Type	Method	Description
final Object	AbstractSelectableChannel.blockingLock()

Methods in java.nio.channels.spi with parameters of type Object

Modifier and Type	Method	Description
final SelectionKey	AbstractSelectableChannel.register(Selector sel, int ops, Object att)	Registers this channel with the given selector, returning a selection key.
protected abstract SelectionKey	AbstractSelector.register(AbstractSelectableChannel ch, int ops, Object att)	Registers the given channel with this selector.

Uses of Object in java.nio.charset

Subclasses of Object in java.nio.charset

Modifier and Type	Class	Description
class	CharacterCodingException	Checked exception thrown when a character encoding or decoding error occurs.
class	Charset	A named mapping between sequences of sixteen-bit Unicode code units and sequences of bytes.
class	CharsetDecoder	An engine that can transform a sequence of bytes in a specific charset into a sequence of sixteen-bit Unicode characters.
class	CharsetEncoder	An engine that can transform a sequence of sixteen-bit Unicode characters into a sequence of bytes in a specific charset.
class	CoderMalfunctionError	Error thrown when the decodeLoop method of a CharsetDecoder, or the encodeLoop method of a CharsetEncoder, throws an unexpected exception.
class	CoderResult	A description of the result state of a coder.
class	CodingErrorAction	A typesafe enumeration for coding-error actions.
class	IllegalCharsetNameException	Unchecked exception thrown when a string that is not a legal charset name is used as such.
class	MalformedInputException	Checked exception thrown when an input byte sequence is not legal for given charset, or an input character sequence is not a legal sixteen-bit Unicode sequence.
final class	StandardCharsets	Constant definitions for the standard charsets.
class	UnmappableCharacterException	Checked exception thrown when an input character (or byte) sequence is valid but cannot be mapped to an output byte (or character) sequence.
class	UnsupportedCharsetException	Unchecked exception thrown when no support is available for a requested charset.

Methods in java.nio.charset with parameters of type Object

Modifier and Type	Method	Description
final boolean	Charset.equals(Object ob)	Tells whether or not this object is equal to another.

Uses of Object in java.nio.charset.spi

Subclasses of Object in java.nio.charset.spi

Modifier and Type	Class	Description
class	CharsetProvider	Charset service-provider class.

Uses of Object in java.nio.file

Subclasses of Object in java.nio.file

Modifier and Type	Class	Description
class	AccessDeniedException	Checked exception thrown when a file system operation is denied, typically due to a file permission or other access check.
class	AtomicMoveNotSupportedException	Checked exception thrown when a file cannot be moved as an atomic file system operation.
class	ClosedDirectoryStreamException	Unchecked exception thrown when an attempt is made to invoke an operation on a directory stream that is closed.
class	ClosedFileSystemException	Unchecked exception thrown when an attempt is made to invoke an operation on a file and the file system is closed.
class	ClosedWatchServiceException	Unchecked exception thrown when an attempt is made to invoke an operation on a watch service that is closed.
final class	DirectoryIteratorException	Runtime exception thrown if an I/O error is encountered when iterating over the entries in a directory.
class	DirectoryNotEmptyException	Checked exception thrown when a file system operation fails because a directory is not empty.
class	FileAlreadyExistsException	Checked exception thrown when an attempt is made to create a file or directory and a file of that name already exists.
final class	Files	This class consists exclusively of static methods that operate on files, directories, or other types of files.
class	FileStore	Storage for files.
class	FileSystem	Provides an interface to a file system and is the factory for objects to access files and other objects in the file system.
class	FileSystemAlreadyExistsException	Runtime exception thrown when an attempt is made to create a file system that already exists.
class	FileSystemException	Thrown when a file system operation fails on one or two files.
class	FileSystemLoopException	Checked exception thrown when a file system loop, or cycle, is encountered.
class	FileSystemNotFoundException	Runtime exception thrown when a file system cannot be found.
final class	FileSystems	Factory methods for file systems.
class	InvalidPathException	Unchecked exception thrown when path string cannot be converted into a Path because the path string contains invalid characters, or the path string is invalid for other file system specific reasons.
final class	LinkPermission	The Permission class for link creation operations.
class	NoSuchFileException	Checked exception thrown when an attempt is made to access a file that does not exist.
class	NotDirectoryException	Checked exception thrown when a file system operation, intended for a directory, fails because the file is not a directory.
class	NotLinkException	Checked exception thrown when a file system operation fails because a file is not a symbolic link.
final class	Paths	This class consists exclusively of static methods that return a Path by converting a path string or URI.
class	ProviderMismatchException	Unchecked exception thrown when an attempt is made to invoke a method on an object created by one file system provider with a parameter created by a different file system provider.
class	ProviderNotFoundException	Runtime exception thrown when a provider of the required type cannot be found.
class	ReadOnlyFileSystemException	Unchecked exception thrown when an attempt is made to update an object associated with a read-only FileSystem.
class	SimpleFileVisitor<T>	A simple visitor of files with default behavior to visit all files and to re-throw I/O errors.
final class	StandardWatchEventKinds	Defines the standard event kinds.

Fields in java.nio.file with type parameters of type Object

Modifier and Type	Field	Description
static final WatchEvent.Kind<Object>	StandardWatchEventKinds.OVERFLOW	A special event to indicate that events may have been lost or discarded.

Methods in java.nio.file that return Object

Modifier and Type	Method	Description
static Object	Files.getAttribute(Path path, String attribute, LinkOption... options)	Reads the value of a file attribute.
abstract Object	FileStore.getAttribute(String attribute)	Reads the value of a file store attribute.

Methods in java.nio.file that return types with arguments of type Object

Modifier and Type	Method	Description
static Map<String,Object>	Files.readAttributes(Path path, String attributes, LinkOption... options)	Reads a set of file attributes as a bulk operation.

Methods in java.nio.file with parameters of type Object

Modifier and Type	Method	Description
boolean	Path.equals(Object other)	Tests this path for equality with the given object.
static Path	Files.setAttribute(Path path, String attribute, Object value, LinkOption... options)	Sets the value of a file attribute.

Uses of Object in java.nio.file.attribute

Subclasses of Object in java.nio.file.attribute

Modifier and Type	Class	Description
final class	AclEntry	An entry in an access control list (ACL).
static final class	AclEntry.Builder	A builder of AclEntry objects.
final class	FileTime	Represents the value of a file's time stamp attribute.
final class	PosixFilePermissions	This class consists exclusively of static methods that operate on sets of PosixFilePermission objects.
class	UserPrincipalLookupService	An object to lookup user and group principals by name.
class	UserPrincipalNotFoundException	Checked exception thrown when a lookup of UserPrincipal fails because the principal does not exist.

Methods in java.nio.file.attribute that return Object

Modifier and Type	Method	Description
Object	BasicFileAttributes.fileKey()	Returns an object that uniquely identifies the given file, or null if a file key is not available.

Methods in java.nio.file.attribute with parameters of type Object

Modifier and Type	Method	Description
boolean	AclEntry.equals(Object ob)	Compares the specified object with this ACL entry for equality.
boolean	FileTime.equals(Object obj)	Tests this FileTime for equality with the given object.

Uses of Object in java.nio.file.spi

Subclasses of Object in java.nio.file.spi

Modifier and Type	Class	Description
class	FileSystemProvider	Service-provider class for file systems.
class	FileTypeDetector	A file type detector for probing a file to guess its file type.

Methods in java.nio.file.spi that return types with arguments of type Object

Modifier and Type	Method	Description
abstract Map<String,Object>	FileSystemProvider.readAttributes(Path path, String attributes, LinkOption... options)	Reads a set of file attributes as a bulk operation.

Methods in java.nio.file.spi with parameters of type Object

Modifier and Type	Method	Description
abstract void	FileSystemProvider.setAttribute(Path path, String attribute, Object value, LinkOption... options)	Sets the value of a file attribute.

Uses of Object in java.rmi

Subclasses of Object in java.rmi

Modifier and Type	Class	Description
class	AccessException	An AccessException is thrown by certain methods of the java.rmi.Naming class (specifically bind, rebind, and unbind) to indicate that the caller does not have permission to perform the action requested by the method call.
class	AlreadyBoundException	An AlreadyBoundException is thrown if an attempt is made to bind an object to a name that already has an associated binding in the registry.
class	ConnectException	A ConnectException is thrown if a connection is refused to the remote host for a remote method call.
class	ConnectIOException	A ConnectIOException is thrown if an IOException occurs while making a connection to the remote host for a remote method call.
class	MarshalException	A MarshalException is thrown if a java.io.IOException occurs while marshalling the remote call header, arguments or return value for a remote method call.
final class	MarshalledObject<T>	A MarshalledObject contains a byte stream with the serialized representation of an object given to its constructor.
final class	Naming	The Naming class provides methods for storing and obtaining references to remote objects in a remote object registry.
class	NoSuchObjectException	A NoSuchObjectException is thrown if an attempt is made to invoke a method on an object that no longer exists in the remote virtual machine.
class	NotBoundException	A NotBoundException is thrown if an attempt is made to lookup or unbind in the registry a name that has no associated binding.
class	RemoteException	A RemoteException is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call.
class	RMISecurityException	Deprecated. Use SecurityException instead.
class	RMISecurityManager	Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release.
class	ServerError	A ServerError is thrown as a result of a remote method invocation when an Error is thrown while processing the invocation on the server, either while unmarshalling the arguments, executing the remote method itself, or marshalling the return value.
class	ServerException	A ServerException is thrown as a result of a remote method invocation when a RemoteException is thrown while processing the invocation on the server, either while unmarshalling the arguments or executing the remote method itself.
class	ServerRuntimeException	Deprecated. no replacement
class	StubNotFoundException	A StubNotFoundException is thrown if a valid stub class could not be found for a remote object when it is exported.
class	UnexpectedException	An UnexpectedException is thrown if the client of a remote method call receives, as a result of the call, a checked exception that is not among the checked exception types declared in the throws clause of the method in the remote interface.
class	UnknownHostException	An UnknownHostException is thrown if a java.net.UnknownHostException occurs while creating a connection to the remote host for a remote method call.
class	UnmarshalException	An UnmarshalException can be thrown while unmarshalling the parameters or results of a remote method call if any of the following conditions occur: if an exception occurs while unmarshalling the call header if the protocol for the return value is invalid if a java.io.IOException occurs unmarshalling parameters (on the server side) or the return value (on the client side).

Methods in java.rmi with parameters of type Object

Modifier and Type	Method	Description
boolean	MarshalledObject.equals(Object obj)	Compares this MarshalledObject to another object.

Uses of Object in java.rmi.dgc

Subclasses of Object in java.rmi.dgc

Modifier and Type	Class	Description
final class	Lease	A lease contains a unique VM identifier and a lease duration.
final class	VMID	A VMID is a identifier that is unique across all Java virtual machines.

Methods in java.rmi.dgc with parameters of type Object

Modifier and Type	Method	Description
boolean	VMID.equals(Object obj)	Compare this VMID to another, and return true if they are the same identifier.

Uses of Object in java.rmi.registry

Subclasses of Object in java.rmi.registry

Modifier and Type	Class	Description
final class	LocateRegistry	LocateRegistry is used to obtain a reference to a bootstrap remote object registry on a particular host (including the local host), or to create a remote object registry that accepts calls on a specific port.

Uses of Object in java.rmi.server

Subclasses of Object in java.rmi.server

Modifier and Type	Class	Description
class	ExportException	An ExportException is a RemoteException thrown if an attempt to export a remote object fails.
class	LogStream	Deprecated. no replacement
final class	ObjID	An ObjID is used to identify a remote object exported to an RMI runtime.
class	Operation	Deprecated. no replacement
class	RemoteObject	The RemoteObject class implements the java.lang.Object behavior for remote objects.
class	RemoteObjectInvocationHandler	An implementation of the InvocationHandler interface for use with Java Remote Method Invocation (Java RMI).
class	RemoteServer	The RemoteServer class is the common superclass to server implementations and provides the framework to support a wide range of remote reference semantics.
class	RemoteStub	Deprecated. Statically generated stubs are deprecated, since stubs are generated dynamically.
class	RMIClassLoader	RMIClassLoader comprises static methods to support dynamic class loading with RMI.
class	RMIClassLoaderSpi	RMIClassLoaderSpi is the service provider interface for RMIClassLoader.
class	RMISocketFactory	An RMISocketFactory instance is used by the RMI runtime in order to obtain client and server sockets for RMI calls.
class	ServerCloneException	A ServerCloneException is thrown if a remote exception occurs during the cloning of a UnicastRemoteObject.
class	ServerNotActiveException	An ServerNotActiveException is an Exception thrown during a call to RemoteServer.getClientHost if the getClientHost method is called outside of servicing a remote method call.
class	SkeletonMismatchException	Deprecated. no replacement.
class	SkeletonNotFoundException	Deprecated. no replacement.
class	SocketSecurityException	Deprecated. This class is obsolete.
final class	UID	A UID represents an identifier that is unique over time with respect to the host it is generated on, or one of 216 "well-known" identifiers.
class	UnicastRemoteObject	Used for exporting a remote object with JRMP and obtaining a stub that communicates to the remote object.

Methods in java.rmi.server that return Object

Modifier and Type	Method	Description
Object	UnicastRemoteObject.clone()	Returns a clone of the remote object that is distinct from the original.
Object	LoaderHandler.getSecurityContext(ClassLoader loader)	Deprecated. no replacement
static Object	RMIClassLoader.getSecurityContext(ClassLoader loader)	Deprecated. no replacement.
Object	RemoteObjectInvocationHandler.invoke(Object proxy, Method method, Object[] args)	Processes a method invocation made on the encapsulating proxy instance, proxy, and returns the result.
Object	RemoteRef.invoke(Remote obj, Method method, Object[] params, long opnum)	Invoke a method.

Methods in java.rmi.server with parameters of type Object

Modifier and Type	Method	Description
boolean	ObjID.equals(Object obj)	Compares the specified object with this ObjID for equality.
boolean	RemoteObject.equals(Object obj)	Compares two remote objects for equality.
boolean	UID.equals(Object obj)	Compares the specified object with this UID for equality.
RemoteStub	ServerRef.exportObject(Remote obj, Object data)	Deprecated. Creates a client stub object for the supplied Remote object.
Object	RemoteObjectInvocationHandler.invoke(Object proxy, Method method, Object[] args)	Processes a method invocation made on the encapsulating proxy instance, proxy, and returns the result.
Object	RemoteRef.invoke(Remote obj, Method method, Object[] params, long opnum)	Invoke a method.

Uses of Object in java.security

Subclasses of Object in java.security

Modifier and Type	Class	Description
final class	AccessControlContext	Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release.
class	AccessControlException	Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release.
final class	AccessController	Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release.
class	AlgorithmParameterGenerator	The AlgorithmParameterGenerator class is used to generate a set of parameters to be used with a certain algorithm.
class	AlgorithmParameterGeneratorSpi	This class defines the Service Provider Interface (SPI) for the AlgorithmParameterGenerator class, which is used to generate a set of parameters to be used with a certain algorithm.
class	AlgorithmParameters	This class is used as an opaque representation of cryptographic parameters.
class	AlgorithmParametersSpi	This class defines the Service Provider Interface (SPI) for the AlgorithmParameters class, which is used to manage algorithm parameters.
final class	AllPermission	The AllPermission is a permission that implies all other permissions.
class	AuthProvider	This class defines login and logout methods for a provider.
class	BasicPermission	The BasicPermission class extends the Permission class, and can be used as the base class for permissions that want to follow the same naming convention as BasicPermission.
final class	CodeSigner	This class encapsulates information about a code signer.
class	CodeSource	This class extends the concept of a codebase to encapsulate not only the location (URL) but also the certificate chains that were used to verify signed code originating from that location.
class	DigestException	This is the generic Message Digest exception.
class	DigestInputStream	A transparent stream that updates the associated message digest using the bits going through the stream.
class	DigestOutputStream	A transparent stream that updates the associated message digest using the bits going through the stream.
final class	DomainLoadStoreParameter	Configuration data that specifies the keystores in a keystore domain.
class	DrbgParameters	This class specifies the parameters used by a DRBG (Deterministic Random Bit Generator).
static final class	DrbgParameters.Instantiation	DRBG parameters for instantiation.
static final class	DrbgParameters.NextBytes	DRBG parameters for random bits generation.
static final class	DrbgParameters.Reseed	DRBG parameters for reseed.
class	GeneralSecurityException	The GeneralSecurityException class is a generic security exception class that provides type safety for all the security-related exception classes that extend from it.
class	GuardedObject	A GuardedObject is an object that is used to protect access to another object.
class	Identity	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
class	IdentityScope	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
class	InvalidAlgorithmParameterException	This is the exception for invalid or inappropriate algorithm parameters.
class	InvalidKeyException	This is the exception for invalid Keys (invalid encoding, wrong length, uninitialized, etc.).
class	InvalidParameterException	This exception, designed for use by the JCA/JCE engine classes, is thrown when an invalid parameter is passed to a method.
class	KeyException	This is the basic key exception.
class	KeyFactory	Key factories are used to convert keys (opaque cryptographic keys of type Key) into key specifications (transparent representations of the underlying key material), and vice versa.
class	KeyFactorySpi	This class defines the Service Provider Interface (SPI) for the KeyFactory class.
class	KeyManagementException	This is the general key management exception for all operations dealing with key management.
final class	KeyPair	This class is a simple holder for a key pair (a public key and a private key).
class	KeyPairGenerator	The KeyPairGenerator class is used to generate pairs of public and private keys.
class	KeyPairGeneratorSpi	This class defines the Service Provider Interface (SPI) for the KeyPairGenerator class, which is used to generate pairs of public and private keys.
class	KeyRep	Standardized representation for serialized Key objects.
class	KeyStore	This class represents a storage facility for cryptographic keys and certificates.
static class	KeyStore.Builder	A description of a to-be-instantiated KeyStore object.
static class	KeyStore.CallbackHandlerProtection	A ProtectionParameter encapsulating a CallbackHandler.
static class	KeyStore.PasswordProtection	A password-based implementation of ProtectionParameter.
static final class	KeyStore.PrivateKeyEntry	A KeyStore entry that holds a PrivateKey and corresponding certificate chain.
static final class	KeyStore.SecretKeyEntry	A KeyStore entry that holds a SecretKey.
static final class	KeyStore.TrustedCertificateEntry	A KeyStore entry that holds a trusted Certificate.
class	KeyStoreException	This is the generic KeyStore exception.
class	KeyStoreSpi	This class defines the Service Provider Interface (SPI) for the KeyStore class.
class	MessageDigest	This MessageDigest class provides applications the functionality of a message digest algorithm, such as SHA-1 or SHA-256.
class	MessageDigestSpi	This class defines the Service Provider Interface (SPI) for the MessageDigest class, which provides the functionality of a message digest algorithm, such as MD5 or SHA.
class	NoSuchAlgorithmException	This exception is thrown when a particular cryptographic algorithm is requested but is not available in the environment.
class	NoSuchProviderException	This exception is thrown when a particular security provider is requested but is not available in the environment.
class	Permission	Abstract class for representing access to a system resource.
class	PermissionCollection	Abstract class representing a collection of Permission objects.
final class	Permissions	This class represents a heterogeneous collection of permissions.
final class	PKCS12Attribute	An attribute associated with a PKCS12 keystore entry.
class	Policy	Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release.
class	PolicySpi	Deprecated, for removal: This API element is subject to removal in a future version. This class is only useful in conjunction with the Security Manager, which is deprecated and subject to removal in a future release.
class	PrivilegedActionException	This exception is thrown by doPrivileged(PrivilegedExceptionAction) and doPrivileged(PrivilegedExceptionAction, AccessControlContext context) to indicate that the action being performed threw a checked exception.
class	ProtectionDomain	The ProtectionDomain class encapsulates the characteristics of a domain, which encloses a set of classes whose instances are granted a set of permissions when being executed on behalf of a given set of Principals.
class	Provider	This class represents a "provider" for the Java Security API, where a provider implements some or all parts of Java Security.
static class	Provider.Service	The description of a security service.
class	ProviderException	A runtime exception for Provider exceptions (such as misconfiguration errors or unrecoverable internal errors), which may be subclassed by Providers to throw specialized, provider-specific runtime errors.
class	SecureClassLoader	This class extends ClassLoader with additional support for defining classes with an associated code source and permissions which are retrieved by the system policy by default.
class	SecureRandom	This class provides a cryptographically strong random number generator (RNG).
class	SecureRandomSpi	This class defines the Service Provider Interface (SPI) for the SecureRandom class.
final class	Security	This class centralizes all security properties and common security methods.
final class	SecurityPermission	This class is for security permissions.
class	Signature	The Signature class is used to provide applications the functionality of a digital signature algorithm.
class	SignatureException	This is the generic Signature exception.
class	SignatureSpi	This class defines the Service Provider Interface (SPI) for the Signature class, which is used to provide the functionality of a digital signature algorithm.
final class	SignedObject	SignedObject is a class for the purpose of creating authentic runtime objects whose integrity cannot be compromised without being detected.
class	Signer	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
final class	Timestamp	This class encapsulates information about a signed timestamp.
class	UnrecoverableEntryException	This exception is thrown if an entry in the keystore cannot be recovered.
class	UnrecoverableKeyException	This exception is thrown if a key in the keystore cannot be recovered.
final class	UnresolvedPermission	The UnresolvedPermission class is used to hold Permissions that were "unresolved" when the Policy was initialized.
class	URIParameter	A parameter that contains a URI pointing to data intended for a PolicySpi or ConfigurationSpi implementation.

Methods in java.security that return Object

Modifier and Type	Method	Description
Object	MessageDigest.clone()	Returns a clone if the implementation is cloneable.
Object	MessageDigestSpi.clone()	Returns a clone if the implementation is cloneable.
Object	Signature.clone()	Returns a clone if the implementation is cloneable.
Object	SignatureSpi.clone()	Returns a clone if the implementation is cloneable.
Object	Provider.compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).
Object	Provider.computeIfAbsent(Object key, Function<? super Object,? extends Object> mappingFunction)	If the specified key is not already associated with a value (or is mapped to null), attempts to compute its value using the given mapping function and enters it into this map unless null.
Object	Provider.computeIfPresent(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the value for the specified key is present and non-null, attempts to compute a new mapping given the key and its current mapped value.
protected abstract Object	SignatureSpi.engineGetParameter(String param)	Deprecated.
Object	GuardedObject.getObject()	Retrieves the guarded object, or throws an exception if access to the guarded object is denied by the guard.
Object	SignedObject.getObject()	Retrieves the encapsulated object.
Object	Provider.getOrDefault(Object key, Object defaultValue)
final Object	Signature.getParameter(String param)	Deprecated.
Object	Provider.merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the specified key is not already associated with a value or is associated with null, associates it with the given value.
Object	Provider.Service.newInstance(Object constructorParameter)	Return a new instance of the implementation described by this service.
Object	Provider.put(Object key, Object value)	Sets the key property to have the specified value.
Object	Provider.putIfAbsent(Object key, Object value)	If the specified key is not already associated with a value (or is mapped to null) associates it with the given value and returns null, else returns the current value.
protected Object	KeyRep.readResolve()	Resolve the Key object.
Object	Provider.remove(Object key)	Removes the key property (and its corresponding value).
Object	Provider.replace(Object key, Object value)	Replaces the entry for the specified key only if it is currently mapped to some value.

Methods in java.security that return types with arguments of type Object

Modifier and Type	Method	Description
Set<Map.Entry<Object,Object>>	Provider.entrySet()	Returns an unmodifiable Set view of the property entries contained in this Provider.
Set<Map.Entry<Object,Object>>	Provider.entrySet()	Returns an unmodifiable Set view of the property entries contained in this Provider.
Set<Object>	Provider.keySet()	Returns an unmodifiable Set view of the property keys contained in this Provider.
Collection<Object>	Provider.values()	Returns an unmodifiable Collection view of the property values contained in this Provider.

Methods in java.security with parameters of type Object

Modifier and Type	Method	Description
void	Guard.checkGuard(Object object)	Determines whether to allow access to the guarded object object.
void	Permission.checkGuard(Object object)	Implements the guard interface for a permission.
Object	Provider.compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).
Object	Provider.computeIfAbsent(Object key, Function<? super Object,? extends Object> mappingFunction)	If the specified key is not already associated with a value (or is mapped to null), attempts to compute its value using the given mapping function and enters it into this map unless null.
Object	Provider.computeIfPresent(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the value for the specified key is present and non-null, attempts to compute a new mapping given the key and its current mapped value.
protected abstract void	SignatureSpi.engineSetParameter(String param, Object value)	Deprecated. Replaced by engineSetParameter.
boolean	AccessControlContext.equals(Object obj)	Deprecated, for removal: This API element is subject to removal in a future version. Checks two AccessControlContext objects for equality.
boolean	AllPermission.equals(Object obj)	Checks two AllPermission objects for equality.
boolean	BasicPermission.equals(Object obj)	Checks two BasicPermission objects for equality.
boolean	CodeSigner.equals(Object obj)	Tests for equality between the specified object and this code signer.
boolean	CodeSource.equals(Object obj)	Tests for equality between the specified object and this object.
final boolean	Identity.equals(Object identity)	Deprecated, for removal: This API element is subject to removal in a future version. Tests for equality between the specified object and this Identity.
abstract boolean	Permission.equals(Object obj)	Checks two Permission objects for equality.
boolean	PKCS12Attribute.equals(Object obj)	Compares this PKCS12Attribute and a specified object for equality.
boolean	Principal.equals(Object another)	Compares this Principal to the specified object.
boolean	Timestamp.equals(Object obj)	Tests for equality between the specified object and this Timestamp.
boolean	UnresolvedPermission.equals(Object obj)	Checks two UnresolvedPermission objects for equality.
Object	Provider.getOrDefault(Object key, Object defaultValue)
Object	Provider.merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the specified key is not already associated with a value or is associated with null, associates it with the given value.
Object	Provider.Service.newInstance(Object constructorParameter)	Return a new instance of the implementation described by this service.
Object	Provider.put(Object key, Object value)	Sets the key property to have the specified value.
Object	Provider.putIfAbsent(Object key, Object value)	If the specified key is not already associated with a value (or is mapped to null) associates it with the given value and returns null, else returns the current value.
Object	Provider.remove(Object key)	Removes the key property (and its corresponding value).
boolean	Provider.remove(Object key, Object value)	Removes the entry for the specified key only if it is currently mapped to the specified value.
Object	Provider.replace(Object key, Object value)	Replaces the entry for the specified key only if it is currently mapped to some value.
boolean	Provider.replace(Object key, Object oldValue, Object newValue)	Replaces the entry for the specified key only if currently mapped to the specified value.
final void	Signature.setParameter(String param, Object value)	Deprecated. Use setParameter.
boolean	Provider.Service.supportsParameter(Object parameter)	Test whether this Service can use the specified parameter.

Method parameters in java.security with type arguments of type Object

Modifier and Type	Method	Description
Object	Provider.compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).
Object	Provider.compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).
Object	Provider.compute(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	Attempts to compute a mapping for the specified key and its current mapped value (or null if there is no current mapping).
Object	Provider.computeIfAbsent(Object key, Function<? super Object,? extends Object> mappingFunction)	If the specified key is not already associated with a value (or is mapped to null), attempts to compute its value using the given mapping function and enters it into this map unless null.
Object	Provider.computeIfAbsent(Object key, Function<? super Object,? extends Object> mappingFunction)	If the specified key is not already associated with a value (or is mapped to null), attempts to compute its value using the given mapping function and enters it into this map unless null.
Object	Provider.computeIfPresent(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the value for the specified key is present and non-null, attempts to compute a new mapping given the key and its current mapped value.
Object	Provider.computeIfPresent(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the value for the specified key is present and non-null, attempts to compute a new mapping given the key and its current mapped value.
Object	Provider.computeIfPresent(Object key, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the value for the specified key is present and non-null, attempts to compute a new mapping given the key and its current mapped value.
void	Provider.forEach(BiConsumer<? super Object,? super Object> action)
void	Provider.forEach(BiConsumer<? super Object,? super Object> action)
Object	Provider.merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the specified key is not already associated with a value or is associated with null, associates it with the given value.
Object	Provider.merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the specified key is not already associated with a value or is associated with null, associates it with the given value.
Object	Provider.merge(Object key, Object value, BiFunction<? super Object,? super Object,? extends Object> remappingFunction)	If the specified key is not already associated with a value or is associated with null, associates it with the given value.
void	Provider.replaceAll(BiFunction<? super Object,? super Object,? extends Object> function)	Replaces each entry's value with the result of invoking the given function on that entry, in the order entries are returned by an entry set iterator, until all entries have been processed or the function throws an exception.
void	Provider.replaceAll(BiFunction<? super Object,? super Object,? extends Object> function)	Replaces each entry's value with the result of invoking the given function on that entry, in the order entries are returned by an entry set iterator, until all entries have been processed or the function throws an exception.
void	Provider.replaceAll(BiFunction<? super Object,? super Object,? extends Object> function)	Replaces each entry's value with the result of invoking the given function on that entry, in the order entries are returned by an entry set iterator, until all entries have been processed or the function throws an exception.

Constructors in java.security with parameters of type Object

Modifier	Constructor	Description
	GuardedObject(Object object, Guard guard)	Constructs a GuardedObject using the specified object and guard.

Uses of Object in java.security.cert

Subclasses of Object in java.security.cert

Modifier and Type	Class	Description
class	Certificate	Abstract class for managing a variety of identity certificates.
protected static class	Certificate.CertificateRep	Alternate Certificate class for serialization.
class	CertificateEncodingException	Certificate Encoding Exception.
class	CertificateException	This exception indicates one of a variety of certificate problems.
class	CertificateExpiredException	Certificate Expired Exception.
class	CertificateFactory	This class defines the functionality of a certificate factory, which is used to generate certificate, certification path (CertPath) and certificate revocation list (CRL) objects from their encodings.
class	CertificateFactorySpi	This class defines the Service Provider Interface (SPI) for the CertificateFactory class.
class	CertificateNotYetValidException	Certificate is not yet valid exception.
class	CertificateParsingException	Certificate Parsing Exception.
class	CertificateRevokedException	An exception that indicates an X.509 certificate is revoked.
class	CertPath	An immutable sequence of certificates (a certification path).
protected static class	CertPath.CertPathRep	Alternate CertPath class for serialization.
class	CertPathBuilder	A class for building certification paths (also known as certificate chains).
class	CertPathBuilderException	An exception indicating one of a variety of problems encountered when building a certification path with a CertPathBuilder.
class	CertPathBuilderSpi	The Service Provider Interface (SPI) for the CertPathBuilder class.
class	CertPathValidator	A class for validating certification paths (also known as certificate chains).
class	CertPathValidatorException	An exception indicating one of a variety of problems encountered when validating a certification path.
class	CertPathValidatorSpi	The Service Provider Interface (SPI) for the CertPathValidator class.
class	CertStore	A class for retrieving Certificates and CRLs from a repository.
class	CertStoreException	An exception indicating one of a variety of problems retrieving certificates and CRLs from a CertStore.
class	CertStoreSpi	The Service Provider Interface (SPI) for the CertStore class.
class	CollectionCertStoreParameters	Parameters used as input for the Collection CertStore algorithm.
class	CRL	This class is an abstraction of certificate revocation lists (CRLs) that have different formats but important common uses.
class	CRLException	CRL (Certificate Revocation List) Exception.
class	LDAPCertStoreParameters	Parameters used as input for the LDAP CertStore algorithm.
class	PKIXBuilderParameters	Parameters used as input for the PKIX CertPathBuilder algorithm.
class	PKIXCertPathBuilderResult	This class represents the successful result of the PKIX certification path builder algorithm.
class	PKIXCertPathChecker	An abstract class that performs one or more checks on an X509Certificate.
class	PKIXCertPathValidatorResult	This class represents the successful result of the PKIX certification path validation algorithm.
class	PKIXParameters	Parameters used as input for the PKIX CertPathValidator algorithm.
class	PKIXRevocationChecker	A PKIXCertPathChecker for checking the revocation status of certificates with the PKIX algorithm.
class	PolicyQualifierInfo	An immutable policy qualifier represented by the ASN.1 PolicyQualifierInfo structure.
class	TrustAnchor	A trust anchor or most-trusted Certification Authority (CA).
final class	URICertStoreParameters	Parameters used as input for CertStore algorithms which use information contained in a URI to retrieve certificates and CRLs.
class	X509Certificate	Abstract class for X.509 certificates.
class	X509CertSelector	A CertSelector that selects X509Certificates that match all specified criteria.
class	X509CRL	Abstract class for an X.509 Certificate Revocation List (CRL).
class	X509CRLEntry	Abstract class for a revoked certificate in a CRL (Certificate Revocation List).
class	X509CRLSelector	A CRLSelector that selects X509CRLs that match all specified criteria.

Methods in java.security.cert that return Object

Modifier and Type	Method	Description
Object	CertPathBuilderResult.clone()	Makes a copy of this CertPathBuilderResult.
Object	CertPathParameters.clone()	Makes a copy of this CertPathParameters.
Object	CertPathValidatorResult.clone()	Makes a copy of this CertPathValidatorResult.
Object	CertSelector.clone()	Makes a copy of this CertSelector.
Object	CertStoreParameters.clone()	Makes a copy of this CertStoreParameters.
Object	CollectionCertStoreParameters.clone()	Returns a copy of this object.
Object	CRLSelector.clone()	Makes a copy of this CRLSelector.
Object	LDAPCertStoreParameters.clone()	Returns a copy of this object.
Object	PKIXCertPathChecker.clone()	Returns a clone of this object.
Object	PKIXCertPathValidatorResult.clone()	Returns a copy of this object.
Object	PKIXParameters.clone()	Makes a copy of this PKIXParameters object.
Object	X509CertSelector.clone()	Returns a copy of this object.
Object	X509CRLSelector.clone()	Returns a copy of this object.
protected Object	Certificate.CertificateRep.readResolve()	Returns a Certificate with the type and data of this CertificateRep.
protected Object	CertPath.CertPathRep.readResolve()	Returns a CertPath constructed from the type and data of this CertPathRep.
protected Object	Certificate.writeReplace()	Replace the Certificate to be serialized with a CertificateRep object containing the type and encoded bytes of the Certificate.
protected Object	CertPath.writeReplace()	Replaces the CertPath to be serialized with a CertPathRep object containing the Certificate type and encoded bytes of the CertPath.

Methods in java.security.cert that return types with arguments of type Object

Modifier and Type	Method	Description
Collection<Object>	X509CRLSelector.getIssuerNames()	Returns a copy of the issuerNames criterion.

Methods in java.security.cert with parameters of type Object

Modifier and Type	Method	Description
boolean	Certificate.equals(Object other)	Compares this certificate for equality with the specified object.
boolean	CertPath.equals(Object other)	Compares this certification path for equality with the specified object.
boolean	URICertStoreParameters.equals(Object p)	Compares the specified object with this parameters object for equality.
boolean	X509CRL.equals(Object other)	Compares this CRL for equality with the given object.
boolean	X509CRLEntry.equals(Object other)	Compares this CRL entry for equality with the given object.

Uses of Object in java.security.spec

Subclasses of Object in java.security.spec

Modifier and Type	Class	Description
final class	DSAGenParameterSpec	This immutable class specifies the set of parameters used for generating DSA parameters as specified in FIPS 186-3 Digital Signature Standard (DSS).
class	DSAParameterSpec	This class specifies the set of parameters used with the DSA algorithm.
class	DSAPrivateKeySpec	This class specifies a DSA private key with its associated parameters.
class	DSAPublicKeySpec	This class specifies a DSA public key with its associated parameters.
class	ECFieldF2m	This immutable class defines an elliptic curve (EC) characteristic 2 finite field.
class	ECFieldFp	This immutable class defines an elliptic curve (EC) prime finite field.
class	ECGenParameterSpec	This immutable class specifies the set of parameters used for generating elliptic curve (EC) domain parameters.
class	ECParameterSpec	This immutable class specifies the set of domain parameters used with elliptic curve cryptography (ECC).
class	ECPoint	This immutable class represents a point on an elliptic curve (EC) in affine coordinates.
class	ECPrivateKeySpec	This immutable class specifies an elliptic curve private key with its associated parameters.
class	ECPublicKeySpec	This immutable class specifies an elliptic curve public key with its associated parameters.
class	EdDSAParameterSpec	A class used to specify EdDSA signature and verification parameters.
final class	EdECPoint	An elliptic curve point used to specify keys as defined by RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA).
final class	EdECPrivateKeySpec	A class representing elliptic curve private keys as defined in RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA), including the curve and other algorithm parameters.
final class	EdECPublicKeySpec	A class representing elliptic curve public keys as defined in RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA), including the curve and other algorithm parameters.
class	EllipticCurve	This immutable class holds the necessary values needed to represent an elliptic curve.
class	EncodedKeySpec	This class represents a public or private key in encoded format.
class	InvalidKeySpecException	This is the exception for invalid key specifications.
class	InvalidParameterSpecException	This is the exception for invalid parameter specifications.
class	MGF1ParameterSpec	This class specifies the set of parameters used with mask generation function MGF1 in OAEP Padding and RSASSA-PSS signature scheme, as defined in the PKCS#1 v2.2 standard.
class	NamedParameterSpec	This class is used to specify any algorithm parameters that are determined by a standard name.
class	PKCS8EncodedKeySpec	This class represents the ASN.1 encoding of a private key, encoded according to the ASN.1 type PrivateKeyInfo.
class	PSSParameterSpec	This class specifies a parameter spec for the RSASSA-PSS signature scheme, as defined in the PKCS#1 v2.2 standard.
class	RSAKeyGenParameterSpec	This class specifies the set of parameters used to generate an RSA key pair.
class	RSAMultiPrimePrivateCrtKeySpec	This class specifies an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard using the Chinese Remainder Theorem (CRT) information values for efficiency.
class	RSAOtherPrimeInfo	This class represents the triplet (prime, exponent, and coefficient) inside RSA's OtherPrimeInfo structure, as defined in the PKCS#1 v2.2 standard.
class	RSAPrivateCrtKeySpec	This class specifies an RSA private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values for efficiency.
class	RSAPrivateKeySpec	This class specifies an RSA private key.
class	RSAPublicKeySpec	This class specifies an RSA public key.
class	X509EncodedKeySpec	This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 type SubjectPublicKeyInfo.
class	XECPrivateKeySpec	A class representing elliptic curve private keys as defined in RFC 7748, including the curve and other algorithm parameters.
class	XECPublicKeySpec	A class representing elliptic curve public keys as defined in RFC 7748, including the curve and other algorithm parameters.

Methods in java.security.spec with parameters of type Object

Modifier and Type	Method	Description
boolean	ECFieldF2m.equals(Object obj)	Compares this finite field for equality with the specified object.
boolean	ECFieldFp.equals(Object obj)	Compares this prime finite field for equality with the specified object.
boolean	ECPoint.equals(Object obj)	Compares this elliptic curve point for equality with the specified object.
boolean	EllipticCurve.equals(Object obj)	Compares this elliptic curve for equality with the specified object.

Uses of Object in java.sql

Subclasses of Object in java.sql

Modifier and Type	Class	Description
class	BatchUpdateException	The subclass of SQLException thrown when an error occurs during a batch update operation.
class	DataTruncation	An exception thrown as a DataTruncation exception (on writes) or reported as a DataTruncation warning (on reads) when a data values is unexpectedly truncated for reasons other than its having exceeded MaxFieldSize.
class	Date	A thin wrapper around a millisecond value that allows JDBC to identify this as an SQL DATE value.
class	DriverManager	The basic service for managing a set of JDBC drivers.
class	DriverPropertyInfo	Driver properties for making a connection.
class	SQLClientInfoException	The subclass of SQLException is thrown when one or more client info properties could not be set on a Connection.
class	SQLDataException	The subclass of SQLException thrown when the SQLState class value is '22', or under vendor-specified conditions.
class	SQLException	An exception that provides information on a database access error or other errors.
class	SQLFeatureNotSupportedException	The subclass of SQLException thrown when the SQLState class value is '0A' ( the value is 'zero' A).
class	SQLIntegrityConstraintViolationException	The subclass of SQLException thrown when the SQLState class value is '23', or under vendor-specified conditions.
class	SQLInvalidAuthorizationSpecException	The subclass of SQLException thrown when the SQLState class value is '28', or under vendor-specified conditions.
class	SQLNonTransientConnectionException	The subclass of SQLException thrown for the SQLState class value '08', or under vendor-specified conditions.
class	SQLNonTransientException	The subclass of SQLException thrown when an instance where a retry of the same operation would fail unless the cause of the SQLException is corrected.
final class	SQLPermission	The permission for which the SecurityManager will check when code that is running an application with a SecurityManager enabled, calls the DriverManager.deregisterDriver method, DriverManager.setLogWriter method, DriverManager.setLogStream (deprecated) method, SyncFactory.setJNDIContext method, SyncFactory.setLogger method, Connection.setNetworkTimeout method, or the Connection.abort method.
class	SQLRecoverableException	The subclass of SQLException thrown in situations where a previously failed operation might be able to succeed if the application performs some recovery steps and retries the entire transaction or in the case of a distributed transaction, the transaction branch.
class	SQLSyntaxErrorException	The subclass of SQLException thrown when the SQLState class value is '42', or under vendor-specified conditions.
class	SQLTimeoutException	The subclass of SQLException thrown when the timeout specified by Statement.setQueryTimeout, DriverManager.setLoginTimeout, DataSource.setLoginTimeout,XADataSource.setLoginTimeout has expired.
class	SQLTransactionRollbackException	The subclass of SQLException thrown when the SQLState class value is '40', or under vendor-specified conditions.
class	SQLTransientConnectionException	The subclass of SQLException for the SQLState class value '08', or under vendor-specified conditions.
class	SQLTransientException	The subclass of SQLException is thrown in situations where a previously failed operation might be able to succeed when the operation is retried without any intervention by application-level functionality.
class	SQLWarning	An exception that provides information on database access warnings.
class	Time	A thin wrapper around the java.util.Date class that allows the JDBC API to identify this as an SQL TIME value.
class	Timestamp	A thin wrapper around java.util.Date that allows the JDBC API to identify this as an SQL TIMESTAMP value.
class	Types	The class that defines the constants that are used to identify generic SQL types, called JDBC types.

Methods in java.sql that return Object

Modifier and Type	Method	Description
Object	Array.getArray()	Retrieves the contents of the SQL ARRAY value designated by this Array object in the form of an array in the Java programming language.
Object	Array.getArray(long index, int count)	Retrieves a slice of the SQL ARRAY value designated by this Array object, beginning with the specified index and containing up to count successive elements of the SQL array.
Object	Array.getArray(long index, int count, Map<String,Class<?>> map)	Retrieves a slice of the SQL ARRAY value designated by this Array object, beginning with the specified index and containing up to count successive elements of the SQL array.
Object	Array.getArray(Map<String,Class<?>> map)	Retrieves the contents of the SQL ARRAY value designated by this Array object.
Object[]	Struct.getAttributes()	Produces the ordered values of the attributes of the SQL structured type that this Struct object represents.
Object[]	Struct.getAttributes(Map<String,Class<?>> map)	Produces the ordered values of the attributes of the SQL structured type that this Struct object represents.
Object	CallableStatement.getObject(int parameterIndex)	Retrieves the value of the designated parameter as an Object in the Java programming language.
Object	CallableStatement.getObject(int parameterIndex, Map<String,Class<?>> map)	Returns an object representing the value of OUT parameter parameterIndex and uses map for the custom mapping of the parameter value.
Object	CallableStatement.getObject(String parameterName)	Retrieves the value of a parameter as an Object in the Java programming language.
Object	CallableStatement.getObject(String parameterName, Map<String,Class<?>> map)	Returns an object representing the value of OUT parameter parameterName and uses map for the custom mapping of the parameter value.
Object	Ref.getObject()	Retrieves the SQL structured type instance referenced by this Ref object.
Object	Ref.getObject(Map<String,Class<?>> map)	Retrieves the referenced object and maps it to a Java type using the given type map.
Object	ResultSet.getObject(int columnIndex)	Gets the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.
Object	ResultSet.getObject(int columnIndex, Map<String,Class<?>> map)	Retrieves the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.
Object	ResultSet.getObject(String columnLabel)	Gets the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.
Object	ResultSet.getObject(String columnLabel, Map<String,Class<?>> map)	Retrieves the value of the designated column in the current row of this ResultSet object as an Object in the Java programming language.
Object	SQLInput.readObject()	Reads the datum at the head of the stream and returns it as an Object in the Java programming language.

Methods in java.sql with parameters of type Object

Modifier and Type	Method	Description
Array	Connection.createArrayOf(String typeName, Object[] elements)	Factory method for creating Array objects.
Struct	Connection.createStruct(String typeName, Object[] attributes)	Factory method for creating Struct objects.
boolean	RowId.equals(Object obj)	Compares this RowId to the specified object.
boolean	Timestamp.equals(Object ts)	Tests to see if this Timestamp object is equal to the given object.
void	CallableStatement.setObject(String parameterName, Object x)	Sets the value of the designated parameter with the given object.
void	CallableStatement.setObject(String parameterName, Object x, int targetSqlType)	Sets the value of the designated parameter with the given object.
void	CallableStatement.setObject(String parameterName, Object x, int targetSqlType, int scale)	Sets the value of the designated parameter with the given object.
default void	CallableStatement.setObject(String parameterName, Object x, SQLType targetSqlType)	Sets the value of the designated parameter with the given object.
default void	CallableStatement.setObject(String parameterName, Object x, SQLType targetSqlType, int scaleOrLength)	Sets the value of the designated parameter with the given object.
void	PreparedStatement.setObject(int parameterIndex, Object x)	Sets the value of the designated parameter using the given object.
void	PreparedStatement.setObject(int parameterIndex, Object x, int targetSqlType)	Sets the value of the designated parameter with the given object.
void	PreparedStatement.setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength)	Sets the value of the designated parameter with the given object.
default void	PreparedStatement.setObject(int parameterIndex, Object x, SQLType targetSqlType)	Sets the value of the designated parameter with the given object.
default void	PreparedStatement.setObject(int parameterIndex, Object x, SQLType targetSqlType, int scaleOrLength)	Sets the value of the designated parameter with the given object.
void	Ref.setObject(Object value)	Sets the structured type value that this Ref object references to the given instance of Object.
ShardingKeyBuilder	ShardingKeyBuilder.subkey(Object subkey, SQLType subkeyType)	This method will be called to add a subkey into a Sharding Key object being built.
void	ResultSet.updateObject(int columnIndex, Object x)	Updates the designated column with an Object value.
void	ResultSet.updateObject(int columnIndex, Object x, int scaleOrLength)	Updates the designated column with an Object value.
default void	ResultSet.updateObject(int columnIndex, Object x, SQLType targetSqlType)	Updates the designated column with an Object value.
default void	ResultSet.updateObject(int columnIndex, Object x, SQLType targetSqlType, int scaleOrLength)	Updates the designated column with an Object value.
void	ResultSet.updateObject(String columnLabel, Object x)	Updates the designated column with an Object value.
void	ResultSet.updateObject(String columnLabel, Object x, int scaleOrLength)	Updates the designated column with an Object value.
default void	ResultSet.updateObject(String columnLabel, Object x, SQLType targetSqlType)	Updates the designated column with an Object value.
default void	ResultSet.updateObject(String columnLabel, Object x, SQLType targetSqlType, int scaleOrLength)	Updates the designated column with an Object value.
default void	SQLOutput.writeObject(Object x, SQLType targetSqlType)	Writes to the stream the data contained in the given object.

Uses of Object in java.text

Subclasses of Object in java.text

Modifier and Type	Class	Description
class	Annotation	An Annotation object is used as a wrapper for a text attribute value if the attribute has annotation characteristics.
static class	AttributedCharacterIterator.Attribute	Defines attribute keys that are used to identify text attributes.
class	AttributedString	An AttributedString holds text and related attribute information.
final class	Bidi	This class implements the Unicode Bidirectional Algorithm.
class	BreakIterator	The BreakIterator class implements methods for finding the location of boundaries in text.
class	ChoiceFormat	A ChoiceFormat allows you to attach a format to a range of numbers.
final class	CollationElementIterator	The CollationElementIterator class is used as an iterator to walk through each character of an international string.
class	CollationKey	A CollationKey represents a String under the rules of a specific Collator object.
class	Collator	The Collator class performs locale-sensitive String comparison.
final class	CompactNumberFormat	CompactNumberFormat is a concrete subclass of NumberFormat that formats a decimal number in its compact form.
class	DateFormat	DateFormat is an abstract class for date/time formatting subclasses which formats and parses dates or time in a language-independent manner.
static class	DateFormat.Field	Defines constants that are used as attribute keys in the AttributedCharacterIterator returned from DateFormat.formatToCharacterIterator and as field identifiers in FieldPosition.
class	DateFormatSymbols	DateFormatSymbols is a public class for encapsulating localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data.
class	DecimalFormat	DecimalFormat is a concrete subclass of NumberFormat that formats decimal numbers.
class	DecimalFormatSymbols	This class represents the set of symbols (such as the decimal separator, the grouping separator, and so on) needed by DecimalFormat to format numbers.
class	FieldPosition	FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted output.
class	Format	Format is an abstract base class for formatting locale-sensitive information such as dates, messages, and numbers.
static class	Format.Field	Defines constants that are used as attribute keys in the AttributedCharacterIterator returned from Format.formatToCharacterIterator and as field identifiers in FieldPosition.
class	MessageFormat	MessageFormat provides a means to produce concatenated messages in a language-neutral way.
static class	MessageFormat.Field	Defines constants that are used as attribute keys in the AttributedCharacterIterator returned from MessageFormat.formatToCharacterIterator.
final class	Normalizer	This class provides the method normalize which transforms Unicode text into an equivalent composed or decomposed form, allowing for easier sorting and searching of text.
class	NumberFormat	NumberFormat is the abstract base class for all number formats.
static class	NumberFormat.Field	Defines constants that are used as attribute keys in the AttributedCharacterIterator returned from NumberFormat.formatToCharacterIterator and as field identifiers in FieldPosition.
class	ParseException	Signals that an error has been reached unexpectedly while parsing.
class	ParsePosition	ParsePosition is a simple class used by Format and its subclasses to keep track of the current position during parsing.
class	RuleBasedCollator	The RuleBasedCollator class is a concrete subclass of Collator that provides a simple, data-driven, table collator.
class	SimpleDateFormat	SimpleDateFormat is a concrete class for formatting and parsing dates in a locale-sensitive manner.
final class	StringCharacterIterator	StringCharacterIterator implements the CharacterIterator protocol for a String.

Methods in java.text that return Object

Modifier and Type	Method	Description
Object	BreakIterator.clone()	Create a copy of this iterator
Object	CharacterIterator.clone()	Create a copy of this iterator
Object	ChoiceFormat.clone()	Overrides Cloneable
Object	Collator.clone()	Overrides Cloneable
Object	DateFormat.clone()	Overrides Cloneable
Object	DateFormatSymbols.clone()	Overrides Cloneable
Object	DecimalFormat.clone()	Standard override; no change in semantics.
Object	DecimalFormatSymbols.clone()	Standard override.
Object	Format.clone()	Creates and returns a copy of this object.
Object	MessageFormat.clone()	Creates and returns a copy of this object.
Object	NumberFormat.clone()	Overrides Cloneable.
Object	RuleBasedCollator.clone()	Standard override; no change in semantics.
Object	SimpleDateFormat.clone()	Creates a copy of this SimpleDateFormat.
Object	StringCharacterIterator.clone()	Creates a copy of this iterator.
Object	AttributedCharacterIterator.getAttribute(AttributedCharacterIterator.Attribute attribute)	Returns the value of the named attribute for the current character.
Object[]	ChoiceFormat.getFormats()	Get the formats passed in the constructor.
Object	Annotation.getValue()	Returns the value of the attribute, which may be null.
Object[]	MessageFormat.parse(String source)	Parses text from the beginning of the given string to produce an object array.
Object[]	MessageFormat.parse(String source, ParsePosition pos)	Parses the string.
Object	DateFormat.parseObject(String source, ParsePosition pos)	Parses text from a string to produce a Date.
Object	Format.parseObject(String source)	Parses text from the beginning of the given string to produce an object.
abstract Object	Format.parseObject(String source, ParsePosition pos)	Parses text from a string to produce an object.
Object	MessageFormat.parseObject(String source, ParsePosition pos)	Parses text from a string to produce an object array.
final Object	NumberFormat.parseObject(String source, ParsePosition pos)	Parses text from a string to produce a Number.
protected Object	AttributedCharacterIterator.Attribute.readResolve()	Resolves instances being deserialized to the predefined constants.
protected Object	DateFormat.Field.readResolve()	Resolves instances being deserialized to the predefined constants.
protected Object	MessageFormat.Field.readResolve()	Resolves instances being deserialized to the predefined constants.
protected Object	NumberFormat.Field.readResolve()	Resolves instances being deserialized to the predefined constants.

Methods in java.text that return types with arguments of type Object

Modifier and Type	Method	Description
Map<AttributedCharacterIterator.Attribute,Object>	AttributedCharacterIterator.getAttributes()	Returns a map with the attributes defined on the current character.

Methods in java.text with parameters of type Object

Modifier and Type	Method	Description
void	AttributedString.addAttribute(AttributedCharacterIterator.Attribute attribute, Object value)	Adds an attribute to the entire string.
void	AttributedString.addAttribute(AttributedCharacterIterator.Attribute attribute, Object value, int beginIndex, int endIndex)	Adds an attribute to a subrange of the string.
int	Collator.compare(Object o1, Object o2)	Compares its two arguments for order.
final boolean	AttributedCharacterIterator.Attribute.equals(Object obj)	Compares two objects for equality.
boolean	ChoiceFormat.equals(Object obj)	Equality comparison between two
boolean	Collator.equals(Object that)	Compares the equality of two Collators.
boolean	CompactNumberFormat.equals(Object obj)	Checks if this CompactNumberFormat is equal to the specified obj.
boolean	DateFormat.equals(Object obj)	Overrides equals
boolean	DateFormatSymbols.equals(Object obj)	Override equals
boolean	DecimalFormat.equals(Object obj)	Overrides equals
boolean	DecimalFormatSymbols.equals(Object obj)	Override equals.
boolean	FieldPosition.equals(Object obj)	Overrides equals
boolean	MessageFormat.equals(Object obj)	Equality comparison between two message format objects
boolean	NumberFormat.equals(Object obj)	Overrides equals.
boolean	ParsePosition.equals(Object obj)	Overrides equals
boolean	RuleBasedCollator.equals(Object obj)	Compares the equality of two collation objects.
boolean	SimpleDateFormat.equals(Object obj)	Compares the given object with this SimpleDateFormat for equality.
boolean	StringCharacterIterator.equals(Object obj)	Compares the equality of two StringCharacterIterator objects.
final StringBuffer	CompactNumberFormat.format(Object number, StringBuffer toAppendTo, FieldPosition fieldPosition)	Formats a number to produce a string representing its compact form.
final StringBuffer	DateFormat.format(Object obj, StringBuffer toAppendTo, FieldPosition fieldPosition)	Formats the given Object into a date-time string.
final StringBuffer	DecimalFormat.format(Object number, StringBuffer toAppendTo, FieldPosition pos)	Formats a number and appends the resulting text to the given string buffer.
final String	Format.format(Object obj)	Formats an object to produce a string.
abstract StringBuffer	Format.format(Object obj, StringBuffer toAppendTo, FieldPosition pos)	Formats an object and appends the resulting text to a given string buffer.
final StringBuffer	MessageFormat.format(Object[] arguments, StringBuffer result, FieldPosition pos)	Formats an array of objects and appends the MessageFormat's pattern, with format elements replaced by the formatted objects, to the provided StringBuffer.
final StringBuffer	MessageFormat.format(Object arguments, StringBuffer result, FieldPosition pos)	Formats an array of objects and appends the MessageFormat's pattern, with format elements replaced by the formatted objects, to the provided StringBuffer.
static String	MessageFormat.format(String pattern, Object... arguments)	Creates a MessageFormat with the given pattern and uses it to format the given arguments.
StringBuffer	NumberFormat.format(Object number, StringBuffer toAppendTo, FieldPosition pos)	Formats a number and appends the resulting text to the given string buffer.
AttributedCharacterIterator	CompactNumberFormat.formatToCharacterIterator(Object obj)	Formats an Object producing an AttributedCharacterIterator.
AttributedCharacterIterator	DecimalFormat.formatToCharacterIterator(Object obj)	Formats an Object producing an AttributedCharacterIterator.
AttributedCharacterIterator	Format.formatToCharacterIterator(Object obj)	Formats an Object producing an AttributedCharacterIterator.
AttributedCharacterIterator	MessageFormat.formatToCharacterIterator(Object arguments)	Formats an array of objects and inserts them into the MessageFormat's pattern, producing an AttributedCharacterIterator.
AttributedCharacterIterator	SimpleDateFormat.formatToCharacterIterator(Object obj)	Formats an Object producing an AttributedCharacterIterator.
static void	Bidi.reorderVisually(byte[] levels, int levelStart, Object[] objects, int objectStart, int count)	Reorder the objects in the array into visual order based on their levels.

Constructors in java.text with parameters of type Object

Modifier	Constructor	Description
	Annotation(Object value)	Constructs an annotation record with the given value, which may be null.

Uses of Object in java.text.spi

Subclasses of Object in java.text.spi

Modifier and Type	Class	Description
class	BreakIteratorProvider	An abstract class for service providers that provide concrete implementations of the BreakIterator class.
class	CollatorProvider	An abstract class for service providers that provide concrete implementations of the Collator class.
class	DateFormatProvider	An abstract class for service providers that provide concrete implementations of the DateFormat class.
class	DateFormatSymbolsProvider	An abstract class for service providers that provide instances of the DateFormatSymbols class.
class	DecimalFormatSymbolsProvider	An abstract class for service providers that provide instances of the DecimalFormatSymbols class.
class	NumberFormatProvider	An abstract class for service providers that provide concrete implementations of the NumberFormat class.

Uses of Object in java.time

Subclasses of Object in java.time

Modifier and Type	Class	Description
class	Clock	A clock providing access to the current instant, date and time using a time-zone.
class	DateTimeException	Exception used to indicate a problem while calculating a date-time.
final class	Duration	A time-based amount of time, such as '34.5 seconds'.
final class	Instant	An instantaneous point on the time-line.
final class	LocalDate	A date without a time-zone in the ISO-8601 calendar system, such as 2007-12-03.
final class	LocalDateTime	A date-time without a time-zone in the ISO-8601 calendar system, such as 2007-12-03T10:15:30.
final class	LocalTime	A time without a time-zone in the ISO-8601 calendar system, such as 10:15:30.
final class	MonthDay	A month-day in the ISO-8601 calendar system, such as --12-03.
final class	OffsetDateTime	A date-time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as 2007-12-03T10:15:30+01:00.
final class	OffsetTime	A time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as 10:15:30+01:00.
final class	Period	A date-based amount of time in the ISO-8601 calendar system, such as '2 years, 3 months and 4 days'.
final class	Year	A year in the ISO-8601 calendar system, such as 2007.
final class	YearMonth	A year-month in the ISO-8601 calendar system, such as 2007-12.
final class	ZonedDateTime	A date-time with a time-zone in the ISO-8601 calendar system, such as 2007-12-03T10:15:30+01:00 Europe/Paris.
class	ZoneId	A time-zone ID, such as Europe/Paris.
final class	ZoneOffset	A time-zone offset from Greenwich/UTC, such as +02:00.

Methods in java.time with parameters of type Object

Modifier and Type	Method	Description
boolean	Clock.equals(Object obj)	Checks if this clock is equal to another clock.
boolean	Duration.equals(Object other)	Checks if this duration is equal to the specified Duration.
boolean	Instant.equals(Object other)	Checks if this instant is equal to the specified instant.
boolean	LocalDate.equals(Object obj)	Checks if this date is equal to another date.
boolean	LocalDateTime.equals(Object obj)	Checks if this date-time is equal to another date-time.
boolean	LocalTime.equals(Object obj)	Checks if this time is equal to another time.
boolean	MonthDay.equals(Object obj)	Checks if this month-day is equal to another month-day.
boolean	OffsetDateTime.equals(Object obj)	Checks if this date-time is equal to another date-time.
boolean	OffsetTime.equals(Object obj)	Checks if this time is equal to another time.
boolean	Period.equals(Object obj)	Checks if this period is equal to another period.
boolean	Year.equals(Object obj)	Checks if this year is equal to another year.
boolean	YearMonth.equals(Object obj)	Checks if this year-month is equal to another year-month.
boolean	ZonedDateTime.equals(Object obj)	Checks if this date-time is equal to another date-time.
boolean	ZoneId.equals(Object obj)	Checks if this time-zone ID is equal to another time-zone ID.
boolean	ZoneOffset.equals(Object obj)	Checks if this offset is equal to another offset.

Uses of Object in java.time.chrono

Subclasses of Object in java.time.chrono

Modifier and Type	Class	Description
class	AbstractChronology	An abstract implementation of a calendar system, used to organize and identify dates.
final class	HijrahChronology	The Hijrah calendar is a lunar calendar supporting Islamic calendars.
final class	HijrahDate	A date in the Hijrah calendar system.
final class	IsoChronology	The ISO calendar system.
final class	JapaneseChronology	The Japanese Imperial calendar system.
final class	JapaneseDate	A date in the Japanese Imperial calendar system.
final class	JapaneseEra	An era in the Japanese Imperial calendar system.
final class	MinguoChronology	The Minguo calendar system.
final class	MinguoDate	A date in the Minguo calendar system.
final class	ThaiBuddhistChronology	The Thai Buddhist calendar system.
final class	ThaiBuddhistDate	A date in the Thai Buddhist calendar system.

Methods in java.time.chrono with parameters of type Object

Modifier and Type	Method	Description
boolean	AbstractChronology.equals(Object obj)	Checks if this chronology is equal to another chronology.
boolean	ChronoLocalDate.equals(Object obj)	Checks if this date is equal to another date, including the chronology.
boolean	ChronoLocalDateTime.equals(Object obj)	Checks if this date-time is equal to another date-time, including the chronology.
boolean	Chronology.equals(Object obj)	Checks if this chronology is equal to another chronology.
boolean	ChronoPeriod.equals(Object obj)	Checks if this period is equal to another period, including the chronology.
boolean	ChronoZonedDateTime.equals(Object obj)	Checks if this date-time is equal to another date-time.
boolean	HijrahDate.equals(Object obj)	Compares this date to another date, including the chronology.
boolean	JapaneseDate.equals(Object obj)	Compares this date to another date, including the chronology.
boolean	MinguoDate.equals(Object obj)	Compares this date to another date, including the chronology.
boolean	ThaiBuddhistDate.equals(Object obj)	Compares this date to another date, including the chronology.

Uses of Object in java.time.format

Subclasses of Object in java.time.format

Modifier and Type	Class	Description
final class	DateTimeFormatter	Formatter for printing and parsing date-time objects.
final class	DateTimeFormatterBuilder	Builder to create date-time formatters.
class	DateTimeParseException	An exception thrown when an error occurs during parsing.
final class	DecimalStyle	Localized decimal style used in date and time formatting.

Methods in java.time.format with parameters of type Object

Modifier and Type	Method	Description
boolean	DecimalStyle.equals(Object obj)	Checks if this DecimalStyle is equal to another DecimalStyle.

Uses of Object in java.time.temporal

Subclasses of Object in java.time.temporal

Modifier and Type	Class	Description
final class	IsoFields	Fields and units specific to the ISO-8601 calendar system, including quarter-of-year and week-based-year.
final class	JulianFields	A set of date fields that provide access to Julian Days.
final class	TemporalAdjusters	Common and useful TemporalAdjusters.
final class	TemporalQueries	Common implementations of TemporalQuery.
class	UnsupportedTemporalTypeException	UnsupportedTemporalTypeException indicates that a ChronoField or ChronoUnit is not supported for a Temporal class.
final class	ValueRange	The range of valid values for a date-time field.
final class	WeekFields	Localized definitions of the day-of-week, week-of-month and week-of-year fields.

Methods in java.time.temporal with parameters of type Object

Modifier and Type	Method	Description
boolean	ValueRange.equals(Object obj)	Checks if this range is equal to another range.
boolean	WeekFields.equals(Object object)	Checks if this WeekFields is equal to the specified object.

Uses of Object in java.time.zone

Subclasses of Object in java.time.zone

Modifier and Type	Class	Description
final class	ZoneOffsetTransition	A transition between two offsets caused by a discontinuity in the local time-line.
final class	ZoneOffsetTransitionRule	A rule expressing how to create a transition.
final class	ZoneRules	The rules defining how the zone offset varies for a single time-zone.
class	ZoneRulesException	Thrown to indicate a problem with time-zone configuration.
class	ZoneRulesProvider	Provider of time-zone rules to the system.

Methods in java.time.zone with parameters of type Object

Modifier and Type	Method	Description
boolean	ZoneOffsetTransition.equals(Object other)	Checks if this object equals another.
boolean	ZoneOffsetTransitionRule.equals(Object otherRule)	Checks if this object equals another.
boolean	ZoneRules.equals(Object otherRules)	Checks if this set of rules equals another.

Uses of Object in java.util

Subclasses of Object in java.util

Modifier and Type	Class	Description
class	AbstractCollection<E>	This class provides a skeletal implementation of the Collection interface, to minimize the effort required to implement this interface.
class	AbstractList<E>	This class provides a skeletal implementation of the List interface to minimize the effort required to implement this interface backed by a "random access" data store (such as an array).
class	AbstractMap<K,V>	This class provides a skeletal implementation of the Map interface, to minimize the effort required to implement this interface.
static class	AbstractMap.SimpleEntry<K,V>	An Entry maintaining a key and a value.
static class	AbstractMap.SimpleImmutableEntry<K,V>	An unmodifiable Entry maintaining a key and a value.
class	AbstractQueue<E>	This class provides skeletal implementations of some Queue operations.
class	AbstractSequentialList<E>	This class provides a skeletal implementation of the List interface to minimize the effort required to implement this interface backed by a "sequential access" data store (such as a linked list).
class	AbstractSet<E>	This class provides a skeletal implementation of the Set interface to minimize the effort required to implement this interface.
class	ArrayDeque<E>	Resizable-array implementation of the Deque interface.
class	ArrayList<E>	Resizable-array implementation of the List interface.
final class	Arrays	This class contains various methods for manipulating arrays (such as sorting and searching).
class	Base64	This class consists exclusively of static methods for obtaining encoders and decoders for the Base64 encoding scheme.
static class	Base64.Decoder	This class implements a decoder for decoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
static class	Base64.Encoder	This class implements an encoder for encoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
class	BitSet	This class implements a vector of bits that grows as needed.
class	Calendar	The Calendar class is an abstract class that provides methods for converting between a specific instant in time and a set of calendar fields such as YEAR, MONTH, DAY_OF_MONTH, HOUR, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
static class	Calendar.Builder	Calendar.Builder is used for creating a Calendar from various date-time parameters.
class	Collections	This class consists exclusively of static methods that operate on or return collections.
class	ConcurrentModificationException	This exception may be thrown by methods that have detected concurrent modification of an object when such modification is not permissible.
final class	Currency	Represents a currency.
class	Date	The class Date represents a specific instant in time, with millisecond precision.
class	Dictionary<K,V>	The Dictionary class is the abstract parent of any class, such as Hashtable, which maps keys to values.
class	DoubleSummaryStatistics	A state object for collecting statistics such as count, min, max, sum, and average.
class	DuplicateFormatFlagsException	Unchecked exception thrown when duplicate flags are provided in the format specifier.
class	EmptyStackException	Thrown by methods in the Stack class to indicate that the stack is empty.
class	EnumMap<K extends Enum<K>,V>	A specialized Map implementation for use with enum type keys.
class	EnumSet<E extends Enum<E>>	A specialized Set implementation for use with enum types.
class	EventListenerProxy<T extends EventListener>	An abstract wrapper class for an EventListener class which associates a set of additional parameters with the listener.
class	EventObject	The root class from which all event state objects shall be derived.
class	FormatFlagsConversionMismatchException	Unchecked exception thrown when a conversion and flag are incompatible.
final class	FormatProcessorPREVIEW	Preview. This StringTemplate.ProcessorPREVIEW constructs a String result using Formatter specifications and values found in the StringTemplatePREVIEW.
class	FormattableFlags	FormattableFlags are passed to the Formattable.formatTo() method and modify the output format for Formattables.
final class	Formatter	An interpreter for printf-style format strings.
class	FormatterClosedException	Unchecked exception thrown when the formatter has been closed.
class	GregorianCalendar	GregorianCalendar is a concrete subclass of Calendar and provides the standard calendar system used by most of the world.
class	HashMap<K,V>	Hash table based implementation of the Map interface.
class	HashSet<E>	This class implements the Set interface, backed by a hash table (actually a HashMap instance).
class	Hashtable<K,V>	This class implements a hash table, which maps keys to values.
final class	HexFormat	HexFormat converts between bytes and chars and hex-encoded strings which may include additional formatting markup such as prefixes, suffixes, and delimiters.
class	IdentityHashMap<K,V>	This class implements the Map interface with a hash table, using reference-equality in place of object-equality when comparing keys (and values).
class	IllegalFormatCodePointException	Unchecked exception thrown when a character with an invalid Unicode code point as defined by Character.isValidCodePoint(int) is passed to the Formatter.
class	IllegalFormatConversionException	Unchecked exception thrown when the argument corresponding to the format specifier is of an incompatible type.
class	IllegalFormatException	Unchecked exception thrown when a format string contains an illegal syntax or a format specifier that is incompatible with the given arguments.
class	IllegalFormatFlagsException	Unchecked exception thrown when an illegal combination flags is given.
class	IllegalFormatPrecisionException	Unchecked exception thrown when the precision is a negative value other than -1, the conversion does not support a precision, or the value is otherwise unsupported.
class	IllegalFormatWidthException	Unchecked exception thrown when the format width is a negative value other than -1 or is otherwise unsupported.
class	IllformedLocaleException	Thrown by methods in Locale and Locale.Builder to indicate that an argument is not a well-formed BCP 47 tag.
class	InputMismatchException	Thrown by a Scanner to indicate that the token retrieved does not match the pattern for the expected type, or that the token is out of range for the expected type.
class	IntSummaryStatistics	A state object for collecting statistics such as count, min, max, sum, and average.
class	InvalidPropertiesFormatException	Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of properties, as per the Properties specification.
class	LinkedHashMap<K,V>	Hash table and linked list implementation of the Map interface, with well-defined encounter order.
class	LinkedHashSet<E>	Hash table and linked list implementation of the Set interface, with well-defined encounter order.
class	LinkedList<E>	Doubly-linked list implementation of the List and Deque interfaces.
class	ListResourceBundle	ListResourceBundle is an abstract subclass of ResourceBundle that manages resources for a locale in a convenient and easy to use list.
final class	Locale	A Locale object represents a specific geographical, political, or cultural region.
static final class	Locale.Builder	Builder is used to build instances of Locale from values configured by the setters.
static final class	Locale.LanguageRange	This class expresses a Language Range defined in RFC 4647 Matching of Language Tags.
class	LongSummaryStatistics	A state object for collecting statistics such as count, min, max, sum, and average.
class	MissingFormatArgumentException	Unchecked exception thrown when there is a format specifier which does not have a corresponding argument or if an argument index refers to an argument that does not exist.
class	MissingFormatWidthException	Unchecked exception thrown when the format width is required.
class	MissingResourceException	Signals that a resource is missing.
class	NoSuchElementException	Thrown by various accessor methods to indicate that the element being requested does not exist.
final class	Objects	This class consists of static utility methods for operating on objects, or checking certain conditions before operation.
class	Observable	Deprecated. This class and the Observer interface have been deprecated.
final class	Optional<T>	A container object which may or may not contain a non-null value.
final class	OptionalDouble	A container object which may or may not contain a double value.
final class	OptionalInt	A container object which may or may not contain an int value.
final class	OptionalLong	A container object which may or may not contain a long value.
class	PriorityQueue<E>	An unbounded priority queue based on a priority heap.
class	Properties	The Properties class represents a persistent set of properties.
final class	PropertyPermission	This class is for property permissions.
class	PropertyResourceBundle	PropertyResourceBundle is a concrete subclass of ResourceBundle that manages resources for a locale using a set of static strings from a property file.
class	Random	An instance of this class is used to generate a stream of pseudorandom numbers; its period is only 248.
class	ResourceBundle	Resource bundles contain locale-specific objects.
static class	ResourceBundle.Control	ResourceBundle.Control defines a set of callback methods that are invoked by the ResourceBundle.getBundle factory methods during the bundle loading process.
final class	Scanner	A simple text scanner which can parse primitive types and strings using regular expressions.
class	ServiceConfigurationError	Error thrown when something goes wrong while locating, loading, or instantiating a service provider.
final class	ServiceLoader<S>	A facility to load implementations of a service.
class	SimpleTimeZone	SimpleTimeZone is a concrete subclass of TimeZone that represents a time zone for use with a Gregorian calendar.
final class	Spliterators	Static classes and methods for operating on or creating instances of Spliterator and its primitive specializations Spliterator.OfInt, Spliterator.OfLong, and Spliterator.OfDouble.
static class	Spliterators.AbstractDoubleSpliterator	An abstract Spliterator.OfDouble that implements trySplit to permit limited parallelism.
static class	Spliterators.AbstractIntSpliterator	An abstract Spliterator.OfInt that implements trySplit to permit limited parallelism.
static class	Spliterators.AbstractLongSpliterator	An abstract Spliterator.OfLong that implements trySplit to permit limited parallelism.
static class	Spliterators.AbstractSpliterator<T>	An abstract Spliterator that implements trySplit to permit limited parallelism.
final class	SplittableRandom	A generator of uniform pseudorandom values (with period 264) applicable for use in (among other contexts) isolated parallel computations that may generate subtasks.
class	Stack<E>	The Stack class represents a last-in-first-out (LIFO) stack of objects.
final class	StringJoiner	StringJoiner is used to construct a sequence of characters separated by a delimiter and optionally starting with a supplied prefix and ending with a supplied suffix.
class	StringTokenizer	The string tokenizer class allows an application to break a string into tokens.
class	Timer	A facility for threads to schedule tasks for future execution in a background thread.
class	TimerTask	A task that can be scheduled for one-time or repeated execution by a Timer.
class	TimeZone	TimeZone represents a time zone offset, and also figures out daylight savings.
class	TooManyListenersException	The TooManyListenersException Exception is used as part of the Java Event model to annotate and implement a unicast special case of a multicast Event Source.
class	TreeMap<K,V>	A Red-Black tree based NavigableMap implementation.
class	TreeSet<E>	A NavigableSet implementation based on a TreeMap.
class	UnknownFormatConversionException	Unchecked exception thrown when an unknown conversion is given.
class	UnknownFormatFlagsException	Unchecked exception thrown when an unknown flag is given.
final class	UUID	A class that represents an immutable universally unique identifier (UUID).
class	Vector<E>	The Vector class implements a growable array of objects.
class	WeakHashMap<K,V>	Hash table based implementation of the Map interface, with weak keys.

Fields in java.util declared as Object

Modifier and Type	Field	Description
protected Object[]	Vector.elementData	The array buffer into which the components of the vector are stored.
protected Object	EventObject.source	The object on which the Event initially occurred.

Methods in java.util with type parameters of type Object

Modifier and Type	Method	Description
static <T extends Object & Comparable<? super T>> T	Collections.max(Collection<? extends T> coll)	Returns the maximum element of the given collection, according to the natural ordering of its elements.
static <T extends Object & Comparable<? super T>> T	Collections.min(Collection<? extends T> coll)	Returns the minimum element of the given collection, according to the natural ordering of its elements.

Methods in java.util that return Object

Modifier and Type	Method	Description
protected Object	AbstractMap.clone()	Returns a shallow copy of this AbstractMap instance: the keys and values themselves are not cloned.
Object	ArrayList.clone()	Returns a shallow copy of this ArrayList instance.
Object	BitSet.clone()	Cloning this BitSet produces a new BitSet that is equal to it.
Object	Calendar.clone()	Creates and returns a copy of this object.
Object	Date.clone()	Return a copy of this object.
Object	HashMap.clone()	Returns a shallow copy of this HashMap instance: the keys and values themselves are not cloned.
Object	HashSet.clone()	Returns a shallow copy of this HashSet instance: the elements themselves are not cloned.
Object	Hashtable.clone()	Creates a shallow copy of this hashtable.
Object	IdentityHashMap.clone()	Returns a shallow copy of this identity hash map: the keys and values themselves are not cloned.
Object	LinkedList.clone()	Returns a shallow copy of this LinkedList.
Object	Locale.clone()	Overrides Cloneable.
Object	SimpleTimeZone.clone()	Returns a clone of this SimpleTimeZone instance.
Object	TimeZone.clone()	Creates a copy of this TimeZone.
Object	TreeMap.clone()	Returns a shallow copy of this TreeMap instance.
Object	TreeSet.clone()	Returns a shallow copy of this TreeSet instance.
Object	Vector.clone()	Returns a clone of this vector.
static <T> T[]	Arrays.copyOf(T[] original, int newLength)	Copies the specified array, truncating or padding with nulls (if necessary) so the copy has the specified length.
static <T, U> T[]	Arrays.copyOf(U[] original, int newLength, Class<? extends T[]> newType)	Copies the specified array, truncating or padding with nulls (if necessary) so the copy has the specified length.
static <T> T[]	Arrays.copyOfRange(T[] original, int from, int to)	Copies the specified range of the specified array into a new array.
static <T, U> T[]	Arrays.copyOfRange(U[] original, int from, int to, Class<? extends T[]> newType)	Copies the specified range of the specified array into a new array.
protected abstract Object[][]	ListResourceBundle.getContents()	Returns an array in which each item is a pair of objects in an Object array.
final Object	ResourceBundle.getObject(String key)	Gets an object for the given key from this resource bundle or one of its parents.
Object	EventObject.getSource()	The object on which the Event initially occurred.
final Object	ListResourceBundle.handleGetObject(String key)
Object	PropertyResourceBundle.handleGetObject(String key)
protected abstract Object	ResourceBundle.handleGetObject(String key)	Gets an object for the given key from this resource bundle.
Object	StringTokenizer.nextElement()	Returns the same value as the nextToken method, except that its declared return value is Object rather than String.
Object	Properties.setProperty(String key, String value)	Calls the Hashtable method put.
Object[]	AbstractCollection.toArray()	Returns an array containing all of the elements in this collection.
<T> T[]	AbstractCollection.toArray(T[] a)	Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.
Object[]	ArrayDeque.toArray()	Returns an array containing all of the elements in this deque in proper sequence (from first to last element).
<T> T[]	ArrayDeque.toArray(T[] a)	Returns an array containing all of the elements in this deque in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
Object[]	ArrayList.toArray()	Returns an array containing all of the elements in this list in proper sequence (from first to last element).
<T> T[]	ArrayList.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
Object[]	Collection.toArray()	Returns an array containing all of the elements in this collection.
default <T> T[]	Collection.toArray(IntFunction<T[]> generator)	Returns an array containing all of the elements in this collection, using the provided generator function to allocate the returned array.
<T> T[]	Collection.toArray(T[] a)	Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.
Object[]	HashSet.toArray()
<T> T[]	HashSet.toArray(T[] a)
Object[]	LinkedList.toArray()	Returns an array containing all of the elements in this list in proper sequence (from first to last element).
<T> T[]	LinkedList.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
Object[]	List.toArray()	Returns an array containing all of the elements in this list in proper sequence (from first to last element).
<T> T[]	List.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
Object[]	PriorityQueue.toArray()	Returns an array containing all of the elements in this queue.
<T> T[]	PriorityQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue; the runtime type of the returned array is that of the specified array.
Object[]	Set.toArray()	Returns an array containing all of the elements in this set.
<T> T[]	Set.toArray(T[] a)	Returns an array containing all of the elements in this set; the runtime type of the returned array is that of the specified array.
Object[]	Vector.toArray()	Returns an array containing all of the elements in this Vector in the correct order.
<T> T[]	Vector.toArray(T[] a)	Returns an array containing all of the elements in this Vector in the correct order; the runtime type of the returned array is that of the specified array.

Methods in java.util with parameters of type Object

Modifier and Type	Method	Description
static <T> boolean	Collections.addAll(Collection<? super T> c, T... elements)	Adds all of the specified elements to the specified collection.
boolean	Calendar.after(Object when)	Returns whether this Calendar represents a time after the time represented by the specified Object.
static <T> List<T>	Arrays.asList(T... a)	Returns a fixed-size list backed by the specified array.
boolean	Calendar.before(Object when)	Returns whether this Calendar represents a time before the time represented by the specified Object.
static int	Arrays.binarySearch(Object[] a, int fromIndex, int toIndex, Object key)	Searches a range of the specified array for the specified object using the binary search algorithm.
static int	Arrays.binarySearch(Object[] a, Object key)	Searches the specified array for the specified object using the binary search algorithm.
static <T> int	Arrays.binarySearch(T[] a, int fromIndex, int toIndex, T key, Comparator<? super T> c)	Searches a range of the specified array for the specified object using the binary search algorithm.
static <T> int	Arrays.binarySearch(T[] a, T key, Comparator<? super T> c)	Searches the specified array for the specified object using the binary search algorithm.
static <T> int	Arrays.compare(T[] a, int aFromIndex, int aToIndex, T[] b, int bFromIndex, int bToIndex, Comparator<? super T> cmp)	Compares two Object arrays lexicographically over the specified ranges.
static <T> int	Arrays.compare(T[] a, T[] b, Comparator<? super T> cmp)	Compares two Object arrays lexicographically using a specified comparator.
boolean	AbstractCollection.contains(Object o)	Returns true if this collection contains the specified element.
boolean	ArrayDeque.contains(Object o)	Returns true if this deque contains the specified element.
boolean	ArrayList.contains(Object o)	Returns true if this list contains the specified element.
boolean	Collection.contains(Object o)	Returns true if this collection contains the specified element.
boolean	Deque.contains(Object o)	Returns true if this deque contains the specified element.
boolean	HashSet.contains(Object o)	Returns true if this set contains the specified element.
boolean	Hashtable.contains(Object value)	Tests if some key maps into the specified value in this hashtable.
boolean	LinkedList.contains(Object o)	Returns true if this list contains the specified element.
boolean	List.contains(Object o)	Returns true if this list contains the specified element.
boolean	PriorityQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	Set.contains(Object o)	Returns true if this set contains the specified element.
boolean	TreeSet.contains(Object o)	Returns true if this set contains the specified element.
boolean	Vector.contains(Object o)	Returns true if this vector contains the specified element.
boolean	AbstractMap.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	EnumMap.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	HashMap.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	Hashtable.containsKey(Object key)	Tests if the specified object is a key in this hashtable.
boolean	IdentityHashMap.containsKey(Object key)	Tests whether the specified object reference is a key in this identity hash map.
boolean	Map.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	TreeMap.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	WeakHashMap.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	AbstractMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	EnumMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	HashMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	Hashtable.containsValue(Object value)	Returns true if this hashtable maps one or more keys to this value.
boolean	IdentityHashMap.containsValue(Object value)	Tests whether the specified object reference is a value in this identity hash map.
boolean	LinkedHashMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	Map.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	TreeMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	WeakHashMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
void	Vector.copyInto(Object[] anArray)	Copies the components of this vector into the specified array.
static <T> T[]	Arrays.copyOf(T[] original, int newLength)	Copies the specified array, truncating or padding with nulls (if necessary) so the copy has the specified length.
static <T, U> T[]	Arrays.copyOf(U[] original, int newLength, Class<? extends T[]> newType)	Copies the specified array, truncating or padding with nulls (if necessary) so the copy has the specified length.
static <T> T[]	Arrays.copyOfRange(T[] original, int from, int to)	Copies the specified range of the specified array into a new array.
static <T, U> T[]	Arrays.copyOfRange(U[] original, int from, int to, Class<? extends T[]> newType)	Copies the specified range of the specified array into a new array.
static boolean	Arrays.deepEquals(Object[] a1, Object[] a2)	Returns true if the two specified arrays are deeply equal to one another.
static boolean	Objects.deepEquals(Object a, Object b)	Returns true if the arguments are deeply equal to each other and false otherwise.
static int	Arrays.deepHashCode(Object[] a)	Returns a hash code based on the "deep contents" of the specified array.
static String	Arrays.deepToString(Object[] a)	Returns a string representation of the "deep contents" of the specified array.
boolean	AbstractList.equals(Object o)	Compares the specified object with this list for equality.
boolean	AbstractMap.equals(Object o)	Compares the specified object with this map for equality.
boolean	AbstractMap.SimpleEntry.equals(Object o)	Compares the specified object with this entry for equality.
boolean	AbstractMap.SimpleImmutableEntry.equals(Object o)	Compares the specified object with this entry for equality.
boolean	AbstractSet.equals(Object o)	Compares the specified object with this set for equality.
boolean	ArrayList.equals(Object o)	Compares the specified object with this list for equality.
static boolean	Arrays.equals(Object[] a, int aFromIndex, int aToIndex, Object[] b, int bFromIndex, int bToIndex)	Returns true if the two specified arrays of Objects, over the specified ranges, are equal to one another.
static boolean	Arrays.equals(Object[] a, Object[] a2)	Returns true if the two specified arrays of Objects are equal to one another.
static <T> boolean	Arrays.equals(T[] a, int aFromIndex, int aToIndex, T[] b, int bFromIndex, int bToIndex, Comparator<? super T> cmp)	Returns true if the two specified arrays of Objects, over the specified ranges, are equal to one another.
static <T> boolean	Arrays.equals(T[] a, T[] a2, Comparator<? super T> cmp)	Returns true if the two specified arrays of Objects are equal to one another.
boolean	BitSet.equals(Object obj)	Compares this object against the specified object.
boolean	Calendar.equals(Object obj)	Compares this Calendar to the specified Object.
boolean	Collection.equals(Object o)	Compares the specified object with this collection for equality.
boolean	Comparator.equals(Object obj)	Indicates whether some other object is "equal to" this comparator.
boolean	Date.equals(Object obj)	Compares two dates for equality.
boolean	EnumMap.equals(Object o)	Compares the specified object with this map for equality.
boolean	GregorianCalendar.equals(Object obj)	Compares this GregorianCalendar to the specified Object.
boolean	Hashtable.equals(Object o)	Compares the specified Object with this Map for equality, as per the definition in the Map interface.
boolean	HexFormat.equals(Object o)	Returns true if the other object is a HexFormat with the same parameters.
boolean	IdentityHashMap.equals(Object o)	Compares the specified object with this map for equality.
boolean	List.equals(Object o)	Compares the specified object with this list for equality.
boolean	Locale.equals(Object obj)	Returns true if this Locale is equal to another object.
boolean	Locale.LanguageRange.equals(Object obj)	Compares this object to the specified object.
boolean	Map.Entry.equals(Object o)	Compares the specified object with this entry for equality.
boolean	Map.equals(Object o)	Compares the specified object with this map for equality.
static boolean	Objects.equals(Object a, Object b)	Returns true if the arguments are equal to each other and false otherwise.
boolean	Optional.equals(Object obj)	Indicates whether some other object is "equal to" this Optional.
boolean	OptionalDouble.equals(Object obj)	Indicates whether some other object is "equal to" this OptionalDouble.
boolean	OptionalInt.equals(Object obj)	Indicates whether some other object is "equal to" this OptionalInt.
boolean	OptionalLong.equals(Object obj)	Indicates whether some other object is "equal to" this OptionalLong.
boolean	PropertyPermission.equals(Object obj)	Checks two PropertyPermission objects for equality.
boolean	Set.equals(Object o)	Compares the specified object with this set for equality.
boolean	SimpleTimeZone.equals(Object obj)	Compares the equality of two SimpleTimeZone objects.
boolean	UUID.equals(Object obj)	Compares this object to the specified object.
boolean	Vector.equals(Object o)	Compares the specified Object with this Vector for equality.
static void	Arrays.fill(Object[] a, int fromIndex, int toIndex, Object val)	Assigns the specified Object reference to each element of the specified range of the specified array of Objects.
static void	Arrays.fill(Object[] a, Object val)	Assigns the specified Object reference to each element of the specified array of Objects.
Formatter	Formatter.format(String format, Object... args)	Writes a formatted string to this object's destination using the specified format string and arguments.
Formatter	Formatter.format(Locale l, String format, Object... args)	Writes a formatted string to this object's destination using the specified locale, format string, and arguments.
static int	Collections.frequency(Collection<?> c, Object o)	Returns the number of elements in the specified collection equal to the specified object.
V	AbstractMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
abstract V	Dictionary.get(Object key)	Returns the value to which the key is mapped in this dictionary.
V	EnumMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	HashMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	Hashtable.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	IdentityHashMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	LinkedHashMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	Map.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	TreeMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	WeakHashMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
default V	Map.getOrDefault(Object key, V defaultValue)	Returns the value to which the specified key is mapped, or defaultValue if this map contains no mapping for the key.
static int	Objects.hash(Object... values)	Generates a hash code for a sequence of input values.
static int	Arrays.hashCode(Object[] a)	Returns a hash code based on the contents of the specified array.
static int	Objects.hashCode(Object o)	Returns the hash code of a non-null argument and 0 for a null argument.
int	AbstractList.indexOf(Object o)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	ArrayList.indexOf(Object o)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	LinkedList.indexOf(Object o)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	List.indexOf(Object o)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	Vector.indexOf(Object o)	Returns the index of the first occurrence of the specified element in this vector, or -1 if this vector does not contain the element.
int	Vector.indexOf(Object o, int index)	Returns the index of the first occurrence of the specified element in this vector, searching forwards from index, or returns -1 if the element is not found.
static boolean	Objects.isNull(Object obj)	Returns true if the provided reference is null otherwise returns false.
int	AbstractList.lastIndexOf(Object o)	Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	ArrayList.lastIndexOf(Object o)	Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	LinkedList.lastIndexOf(Object o)	Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	List.lastIndexOf(Object o)	Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	Vector.lastIndexOf(Object o)	Returns the index of the last occurrence of the specified element in this vector, or -1 if this vector does not contain the element.
int	Vector.lastIndexOf(Object o, int index)	Returns the index of the last occurrence of the specified element in this vector, searching backwards from index, or returns -1 if the element is not found.
static int	Arrays.mismatch(Object[] a, int aFromIndex, int aToIndex, Object[] b, int bFromIndex, int bToIndex)	Finds and returns the relative index of the first mismatch between two Object arrays over the specified ranges, otherwise return -1 if no mismatch is found.
static int	Arrays.mismatch(Object[] a, Object[] b)	Finds and returns the index of the first mismatch between two Object arrays, otherwise return -1 if no mismatch is found.
static <T> int	Arrays.mismatch(T[] a, int aFromIndex, int aToIndex, T[] b, int bFromIndex, int bToIndex, Comparator<? super T> cmp)	Finds and returns the relative index of the first mismatch between two Object arrays over the specified ranges, otherwise return -1 if no mismatch is found.
static <T> int	Arrays.mismatch(T[] a, T[] b, Comparator<? super T> cmp)	Finds and returns the index of the first mismatch between two Object arrays, otherwise return -1 if no mismatch is found.
static boolean	Objects.nonNull(Object obj)	Returns true if the provided reference is non-null otherwise returns false.
void	Observable.notifyObservers(Object arg)	Deprecated. If this object has changed, as indicated by the hasChanged method, then notify all of its observers and then call the clearChanged method to indicate that this object has no longer changed.
static <E> List<E>	List.of(E... elements)	Returns an unmodifiable list containing an arbitrary number of elements.
static <E> Set<E>	Set.of(E... elements)	Returns an unmodifiable set containing an arbitrary number of elements.
static <T> void	Arrays.parallelPrefix(T[] array, int fromIndex, int toIndex, BinaryOperator<T> op)	Performs Arrays.parallelPrefix(Object[], BinaryOperator) for the given subrange of the array.
static <T> void	Arrays.parallelPrefix(T[] array, BinaryOperator<T> op)	Cumulates, in parallel, each element of the given array in place, using the supplied function.
static <T> void	Arrays.parallelSetAll(T[] array, IntFunction<? extends T> generator)	Set all elements of the specified array, in parallel, using the provided generator function to compute each element.
static <T> void	Arrays.parallelSort(T[] a, int fromIndex, int toIndex, Comparator<? super T> cmp)	Sorts the specified range of the specified array of objects according to the order induced by the specified comparator.
static <T> void	Arrays.parallelSort(T[] a, Comparator<? super T> cmp)	Sorts the specified array of objects according to the order induced by the specified comparator.
boolean	AbstractCollection.remove(Object o)	Removes a single instance of the specified element from this collection, if it is present (optional operation).
V	AbstractMap.remove(Object key)	Removes the mapping for a key from this map if it is present (optional operation).
boolean	ArrayDeque.remove(Object o)	Removes a single instance of the specified element from this deque.
boolean	ArrayList.remove(Object o)	Removes the first occurrence of the specified element from this list, if it is present.
boolean	Collection.remove(Object o)	Removes a single instance of the specified element from this collection, if it is present (optional operation).
boolean	Deque.remove(Object o)	Removes the first occurrence of the specified element from this deque.
abstract V	Dictionary.remove(Object key)	Removes the key (and its corresponding value) from this dictionary.
V	EnumMap.remove(Object key)	Removes the mapping for this key from this map if present.
V	HashMap.remove(Object key)	Removes the mapping for the specified key from this map if present.
boolean	HashSet.remove(Object o)	Removes the specified element from this set if it is present.
V	Hashtable.remove(Object key)	Removes the key (and its corresponding value) from this hashtable.
V	IdentityHashMap.remove(Object key)	Removes the mapping for this key from this map if present.
boolean	IdentityHashMap.remove(Object key, Object value)	Removes the entry for the specified key only if it is currently mapped to the specified value.
boolean	LinkedList.remove(Object o)	Removes the first occurrence of the specified element from this list, if it is present.
boolean	List.remove(Object o)	Removes the first occurrence of the specified element from this list, if it is present (optional operation).
V	Map.remove(Object key)	Removes the mapping for a key from this map if it is present (optional operation).
default boolean	Map.remove(Object key, Object value)	Removes the entry for the specified key only if it is currently mapped to the specified value.
boolean	PriorityQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	Set.remove(Object o)	Removes the specified element from this set if it is present (optional operation).
V	TreeMap.remove(Object key)	Removes the mapping for this key from this TreeMap if present.
boolean	TreeSet.remove(Object o)	Removes the specified element from this set if it is present.
boolean	Vector.remove(Object o)	Removes the first occurrence of the specified element in this Vector If the Vector does not contain the element, it is unchanged.
V	WeakHashMap.remove(Object key)	Removes the mapping for a key from this weak hash map if it is present.
boolean	Vector.removeElement(Object obj)	Removes the first (lowest-indexed) occurrence of the argument from this vector.
boolean	ArrayDeque.removeFirstOccurrence(Object o)	Removes the first occurrence of the specified element in this deque (when traversing the deque from head to tail).
boolean	Deque.removeFirstOccurrence(Object o)	Removes the first occurrence of the specified element from this deque.
boolean	LinkedList.removeFirstOccurrence(Object o)	Removes the first occurrence of the specified element in this list (when traversing the list from head to tail).
boolean	ArrayDeque.removeLastOccurrence(Object o)	Removes the last occurrence of the specified element in this deque (when traversing the deque from head to tail).
boolean	Deque.removeLastOccurrence(Object o)	Removes the last occurrence of the specified element from this deque.
boolean	LinkedList.removeLastOccurrence(Object o)	Removes the last occurrence of the specified element in this list (when traversing the list from head to tail).
int	Stack.search(Object o)	Returns the 1-based position where an object is on this stack.
static <T> void	Arrays.setAll(T[] array, IntFunction<? extends T> generator)	Set all elements of the specified array, using the provided generator function to compute each element.
static void	Arrays.sort(Object[] a)	Sorts the specified array of objects into ascending order, according to the natural ordering of its elements.
static void	Arrays.sort(Object[] a, int fromIndex, int toIndex)	Sorts the specified range of the specified array of objects into ascending order, according to the natural ordering of its elements.
static <T> void	Arrays.sort(T[] a, int fromIndex, int toIndex, Comparator<? super T> c)	Sorts the specified range of the specified array of objects according to the order induced by the specified comparator.
static <T> void	Arrays.sort(T[] a, Comparator<? super T> c)	Sorts the specified array of objects according to the order induced by the specified comparator.
static <T> Spliterator<T>	Arrays.spliterator(T[] array)	Returns a Spliterator covering all of the specified array.
static <T> Spliterator<T>	Arrays.spliterator(T[] array, int startInclusive, int endExclusive)	Returns a Spliterator covering the specified range of the specified array.
static <T> Spliterator<T>	Spliterators.spliterator(Object[] array, int additionalCharacteristics)	Creates a Spliterator covering the elements of a given array, using a customized set of spliterator characteristics.
static <T> Spliterator<T>	Spliterators.spliterator(Object[] array, int fromIndex, int toIndex, int additionalCharacteristics)	Creates a Spliterator covering a range of elements of a given array, using a customized set of spliterator characteristics.
static <T> Stream<T>	Arrays.stream(T[] array)	Returns a sequential Stream with the specified array as its source.
static <T> Stream<T>	Arrays.stream(T[] array, int startInclusive, int endExclusive)	Returns a sequential Stream with the specified range of the specified array as its source.
<T> T[]	AbstractCollection.toArray(T[] a)	Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.
<T> T[]	ArrayDeque.toArray(T[] a)	Returns an array containing all of the elements in this deque in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
<T> T[]	ArrayList.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
<T> T[]	Collection.toArray(T[] a)	Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array.
<T> T[]	HashSet.toArray(T[] a)
<T> T[]	LinkedList.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
<T> T[]	List.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
<T> T[]	PriorityQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue; the runtime type of the returned array is that of the specified array.
<T> T[]	Set.toArray(T[] a)	Returns an array containing all of the elements in this set; the runtime type of the returned array is that of the specified array.
<T> T[]	Vector.toArray(T[] a)	Returns an array containing all of the elements in this Vector in the correct order; the runtime type of the returned array is that of the specified array.
static String	Objects.toIdentityString(Object o)	Returns a string equivalent to the string returned by Object.toString if that method and hashCode are not overridden.
static String	Arrays.toString(Object[] a)	Returns a string representation of the contents of the specified array.
static String	Objects.toString(Object o)	Returns the result of calling toString for a non- null argument and "null" for a null argument.
static String	Objects.toString(Object o, String nullDefault)	Returns the result of calling toString on the first argument if the first argument is not null and returns the second argument otherwise.
void	Observer.update(Observable o, Object arg)	Deprecated. This method is called whenever the observed object is changed.

Constructors in java.util with parameters of type Object

Modifier	Constructor	Description
	EventObject(Object source)	Constructs a prototypical Event.

Uses of Object in java.util.concurrent

Subclasses of Object in java.util.concurrent

Modifier and Type	Class	Description
class	AbstractExecutorService	Provides default implementations of ExecutorService execution methods.
class	ArrayBlockingQueue<E>	A bounded blocking queue backed by an array.
class	BrokenBarrierException	Exception thrown when a thread tries to wait upon a barrier that is in a broken state, or which enters the broken state while the thread is waiting.
class	CancellationException	Exception indicating that the result of a value-producing task, such as a FutureTask, cannot be retrieved because the task was cancelled.
class	CompletableFuture<T>	A Future that may be explicitly completed (setting its value and status), and may be used as a CompletionStage, supporting dependent functions and actions that trigger upon its completion.
class	CompletionException	Exception thrown when an error or other exception is encountered in the course of completing a result or task.
class	ConcurrentHashMap<K,V>	A hash table supporting full concurrency of retrievals and high expected concurrency for updates.
static final class	ConcurrentHashMap.KeySetView<K,V>	A view of a ConcurrentHashMap as a Set of keys, in which additions may optionally be enabled by mapping to a common value.
class	ConcurrentLinkedDeque<E>	An unbounded concurrent deque based on linked nodes.
class	ConcurrentLinkedQueue<E>	An unbounded thread-safe queue based on linked nodes.
class	ConcurrentSkipListMap<K,V>	A scalable concurrent ConcurrentNavigableMap implementation.
class	ConcurrentSkipListSet<E>	A scalable concurrent NavigableSet implementation based on a ConcurrentSkipListMap.
class	CopyOnWriteArrayList<E>	A thread-safe variant of ArrayList in which all mutative operations (add, set, and so on) are implemented by making a fresh copy of the underlying array.
class	CopyOnWriteArraySet<E>	A Set that uses an internal CopyOnWriteArrayList for all of its operations.
class	CountDownLatch	A synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.
class	CountedCompleter<T>	A ForkJoinTask with a completion action performed when triggered and there are no remaining pending actions.
class	CyclicBarrier	A synchronization aid that allows a set of threads to all wait for each other to reach a common barrier point.
class	DelayQueue<E extends Delayed>	An unbounded blocking queue of Delayed elements, in which an element generally becomes eligible for removal when its delay has expired.
class	Exchanger<V>	A synchronization point at which threads can pair and swap elements within pairs.
class	ExecutionException	Exception thrown when attempting to retrieve the result of a task that aborted by throwing an exception.
class	ExecutorCompletionService<V>	A CompletionService that uses a supplied Executor to execute tasks.
class	Executors	Factory and utility methods for Executor, ExecutorService, ScheduledExecutorService, ThreadFactory, and Callable classes defined in this package.
final class	Flow	Interrelated interfaces and static methods for establishing flow-controlled components in which Publishers produce items consumed by one or more Subscribers, each managed by a Subscription.
class	ForkJoinPool	An ExecutorService for running ForkJoinTasks.
class	ForkJoinTask<V>	Abstract base class for tasks that run within a ForkJoinPool.
class	ForkJoinWorkerThread	A thread managed by a ForkJoinPool, which executes ForkJoinTasks.
class	FutureTask<V>	A cancellable asynchronous computation.
class	LinkedBlockingDeque<E>	An optionally-bounded blocking deque based on linked nodes.
class	LinkedBlockingQueue<E>	An optionally-bounded blocking queue based on linked nodes.
class	LinkedTransferQueue<E>	An unbounded TransferQueue based on linked nodes.
class	Phaser	A reusable synchronization barrier, similar in functionality to CyclicBarrier and CountDownLatch but supporting more flexible usage.
class	PriorityBlockingQueue<E>	An unbounded blocking queue that uses the same ordering rules as class PriorityQueue and supplies blocking retrieval operations.
class	RecursiveAction	A recursive resultless ForkJoinTask.
class	RecursiveTask<V>	A recursive result-bearing ForkJoinTask.
class	RejectedExecutionException	Exception thrown by an Executor when a task cannot be accepted for execution.
class	ScheduledThreadPoolExecutor	A ThreadPoolExecutor that can additionally schedule commands to run after a given delay, or to execute periodically.
class	Semaphore	A counting semaphore.
class	StructuredTaskScopePREVIEW<T>	Preview. A basic API for structured concurrency.
static final class	StructuredTaskScope.ShutdownOnFailurePREVIEW	Preview. A StructuredTaskScope that captures the exception of the first subtask to failPREVIEW.
static final class	StructuredTaskScope.ShutdownOnSuccessPREVIEW<T>	Preview. A StructuredTaskScope that captures the result of the first subtask to complete successfullyPREVIEW.
final class	StructureViolationExceptionPREVIEW	Preview. Thrown when a structure violation is detected.
class	SubmissionPublisher<T>	A Flow.Publisher that asynchronously issues submitted (non-null) items to current subscribers until it is closed.
class	SynchronousQueue<E>	A blocking queue in which each insert operation must wait for a corresponding remove operation by another thread, and vice versa.
final class	ThreadLocalRandom	A random number generator (with period 264) isolated to the current thread.
class	ThreadPoolExecutor	An ExecutorService that executes each submitted task using one of possibly several pooled threads, normally configured using Executors factory methods.
static class	ThreadPoolExecutor.AbortPolicy	A handler for rejected tasks that throws a RejectedExecutionException.
static class	ThreadPoolExecutor.CallerRunsPolicy	A handler for rejected tasks that runs the rejected task directly in the calling thread of the execute method, unless the executor has been shut down, in which case the task is discarded.
static class	ThreadPoolExecutor.DiscardOldestPolicy	A handler for rejected tasks that discards the oldest unhandled request and then retries execute, unless the executor is shut down, in which case the task is discarded.
static class	ThreadPoolExecutor.DiscardPolicy	A handler for rejected tasks that silently discards the rejected task.
class	TimeoutException	Exception thrown when a blocking operation times out.

Methods in java.util.concurrent that return Object

Modifier and Type	Method	Description
Object	CopyOnWriteArrayList.clone()	Returns a shallow copy of this list.
Object[]	ArrayBlockingQueue.toArray()	Returns an array containing all of the elements in this queue, in proper sequence.
<T> T[]	ArrayBlockingQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
Object[]	ConcurrentLinkedDeque.toArray()	Returns an array containing all of the elements in this deque, in proper sequence (from first to last element).
<T> T[]	ConcurrentLinkedDeque.toArray(T[] a)	Returns an array containing all of the elements in this deque, in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
Object[]	ConcurrentLinkedQueue.toArray()	Returns an array containing all of the elements in this queue, in proper sequence.
<T> T[]	ConcurrentLinkedQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
Object[]	CopyOnWriteArrayList.toArray()	Returns an array containing all of the elements in this list in proper sequence (from first to last element).
<T> T[]	CopyOnWriteArrayList.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
Object[]	CopyOnWriteArraySet.toArray()	Returns an array containing all of the elements in this set.
<T> T[]	CopyOnWriteArraySet.toArray(T[] a)	Returns an array containing all of the elements in this set; the runtime type of the returned array is that of the specified array.
Object[]	DelayQueue.toArray()	Returns an array containing all of the elements in this queue.
<T> T[]	DelayQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue; the runtime type of the returned array is that of the specified array.
Object[]	LinkedBlockingDeque.toArray()	Returns an array containing all of the elements in this deque, in proper sequence (from first to last element).
<T> T[]	LinkedBlockingDeque.toArray(T[] a)	Returns an array containing all of the elements in this deque, in proper sequence; the runtime type of the returned array is that of the specified array.
Object[]	LinkedBlockingQueue.toArray()	Returns an array containing all of the elements in this queue, in proper sequence.
<T> T[]	LinkedBlockingQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
Object[]	LinkedTransferQueue.toArray()	Returns an array containing all of the elements in this queue, in proper sequence.
<T> T[]	LinkedTransferQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
Object[]	PriorityBlockingQueue.toArray()	Returns an array containing all of the elements in this queue.
<T> T[]	PriorityBlockingQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue; the runtime type of the returned array is that of the specified array.
Object[]	SynchronousQueue.toArray()	Returns a zero-length array.
<T> T[]	SynchronousQueue.toArray(T[] a)	Sets the zeroth element of the specified array to null (if the array has non-zero length) and returns it.

Methods in java.util.concurrent that return types with arguments of type Object

Modifier and Type	Method	Description
static CompletableFuture<Object>	CompletableFuture.anyOf(CompletableFuture<?>... cfs)	Returns a new CompletableFuture that is completed when any of the given CompletableFutures complete, with the same result.
static Callable<Object>	Executors.callable(Runnable task)	Returns a Callable object that, when called, runs the given task and returns null.
static Callable<Object>	Executors.callable(PrivilegedAction<?> action)	Returns a Callable object that, when called, runs the given privileged action and returns its result.
static Callable<Object>	Executors.callable(PrivilegedExceptionAction<?> action)	Returns a Callable object that, when called, runs the given privileged exception action and returns its result.

Methods in java.util.concurrent with parameters of type Object

Modifier and Type	Method	Description
boolean	ArrayBlockingQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	BlockingDeque.contains(Object o)	Returns true if this deque contains the specified element.
boolean	BlockingQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	ConcurrentHashMap.contains(Object value)	Tests if some key maps into the specified value in this table.
boolean	ConcurrentHashMap.KeySetView.contains(Object o)	Returns true if this collection contains the specified element.
boolean	ConcurrentLinkedDeque.contains(Object o)	Returns true if this deque contains the specified element.
boolean	ConcurrentLinkedQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	ConcurrentSkipListSet.contains(Object o)	Returns true if this set contains the specified element.
boolean	CopyOnWriteArrayList.contains(Object o)	Returns true if this list contains the specified element.
boolean	CopyOnWriteArraySet.contains(Object o)	Returns true if this set contains the specified element.
boolean	LinkedBlockingDeque.contains(Object o)	Returns true if this deque contains the specified element.
boolean	LinkedBlockingQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	LinkedTransferQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	PriorityBlockingQueue.contains(Object o)	Returns true if this queue contains the specified element.
boolean	SynchronousQueue.contains(Object o)	Always returns false.
boolean	ConcurrentHashMap.containsKey(Object key)	Tests if the specified object is a key in this table.
boolean	ConcurrentSkipListMap.containsKey(Object key)	Returns true if this map contains a mapping for the specified key.
boolean	ConcurrentHashMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	ConcurrentSkipListMap.containsValue(Object value)	Returns true if this map maps one or more keys to the specified value.
boolean	ConcurrentHashMap.equals(Object o)	Compares the specified object with this map for equality.
boolean	ConcurrentHashMap.KeySetView.equals(Object o)
boolean	ConcurrentSkipListMap.equals(Object o)	Compares the specified object with this map for equality.
boolean	ConcurrentSkipListSet.equals(Object o)	Compares the specified object with this set for equality.
boolean	CopyOnWriteArrayList.equals(Object o)	Compares the specified object with this list for equality.
boolean	CopyOnWriteArraySet.equals(Object o)	Compares the specified object with this set for equality.
V	ConcurrentHashMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	ConcurrentSkipListMap.get(Object key)	Returns the value to which the specified key is mapped, or null if this map contains no mapping for the key.
V	ConcurrentHashMap.getOrDefault(Object key, V defaultValue)	Returns the value to which the specified key is mapped, or the given default value if this map contains no mapping for the key.
default V	ConcurrentMap.getOrDefault(Object key, V defaultValue)	Returns the value to which the specified key is mapped, or defaultValue if this map contains no mapping for the key.
V	ConcurrentSkipListMap.getOrDefault(Object key, V defaultValue)	Returns the value to which the specified key is mapped, or the given defaultValue if this map contains no mapping for the key.
int	CopyOnWriteArrayList.indexOf(Object o)	Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not contain the element.
int	CopyOnWriteArrayList.lastIndexOf(Object o)	Returns the index of the last occurrence of the specified element in this list, or -1 if this list does not contain the element.
boolean	ArrayBlockingQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	BlockingDeque.remove(Object o)	Removes the first occurrence of the specified element from this deque.
boolean	BlockingQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	ConcurrentHashMap.KeySetView.remove(Object o)	Removes the key from this map view, by removing the key (and its corresponding value) from the backing map.
V	ConcurrentHashMap.remove(Object key)	Removes the key (and its corresponding value) from this map.
boolean	ConcurrentHashMap.remove(Object key, Object value)	Removes the entry for a key only if currently mapped to a given value.
boolean	ConcurrentLinkedDeque.remove(Object o)	Removes the first occurrence of the specified element from this deque.
boolean	ConcurrentLinkedQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	ConcurrentMap.remove(Object key, Object value)	Removes the entry for a key only if currently mapped to a given value.
V	ConcurrentSkipListMap.remove(Object key)	Removes the mapping for the specified key from this map if present.
boolean	ConcurrentSkipListMap.remove(Object key, Object value)	Removes the entry for a key only if currently mapped to a given value.
boolean	ConcurrentSkipListSet.remove(Object o)	Removes the specified element from this set if it is present.
boolean	CopyOnWriteArrayList.remove(Object o)	Removes the first occurrence of the specified element from this list, if it is present.
boolean	CopyOnWriteArraySet.remove(Object o)	Removes the specified element from this set if it is present.
boolean	DelayQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present, whether or not it has expired.
boolean	LinkedBlockingDeque.remove(Object o)	Removes the first occurrence of the specified element from this deque.
boolean	LinkedBlockingQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	LinkedTransferQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	PriorityBlockingQueue.remove(Object o)	Removes a single instance of the specified element from this queue, if it is present.
boolean	SynchronousQueue.remove(Object o)	Always returns false.
boolean	BlockingDeque.removeFirstOccurrence(Object o)	Removes the first occurrence of the specified element from this deque.
boolean	ConcurrentLinkedDeque.removeFirstOccurrence(Object o)	Removes the first occurrence of the specified element from this deque.
boolean	LinkedBlockingDeque.removeFirstOccurrence(Object o)
boolean	BlockingDeque.removeLastOccurrence(Object o)	Removes the last occurrence of the specified element from this deque.
boolean	ConcurrentLinkedDeque.removeLastOccurrence(Object o)	Removes the last occurrence of the specified element from this deque.
boolean	LinkedBlockingDeque.removeLastOccurrence(Object o)
void	TimeUnit.timedWait(Object obj, long timeout)	Performs a timed Object.wait using this time unit.
<T> T[]	ArrayBlockingQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
<T> T[]	ConcurrentLinkedDeque.toArray(T[] a)	Returns an array containing all of the elements in this deque, in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
<T> T[]	ConcurrentLinkedQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
<T> T[]	CopyOnWriteArrayList.toArray(T[] a)	Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.
<T> T[]	CopyOnWriteArraySet.toArray(T[] a)	Returns an array containing all of the elements in this set; the runtime type of the returned array is that of the specified array.
<T> T[]	DelayQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue; the runtime type of the returned array is that of the specified array.
<T> T[]	LinkedBlockingDeque.toArray(T[] a)	Returns an array containing all of the elements in this deque, in proper sequence; the runtime type of the returned array is that of the specified array.
<T> T[]	LinkedBlockingQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
<T> T[]	LinkedTransferQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue, in proper sequence; the runtime type of the returned array is that of the specified array.
<T> T[]	PriorityBlockingQueue.toArray(T[] a)	Returns an array containing all of the elements in this queue; the runtime type of the returned array is that of the specified array.
<T> T[]	SynchronousQueue.toArray(T[] a)	Sets the zeroth element of the specified array to null (if the array has non-zero length) and returns it.

Constructors in java.util.concurrent with parameters of type Object

Modifier	Constructor	Description
	CopyOnWriteArrayList(E[] toCopyIn)	Creates a list holding a copy of the given array.

Uses of Object in java.util.concurrent.atomic

Subclasses of Object in java.util.concurrent.atomic

Modifier and Type	Class	Description
class	AtomicBoolean	A boolean value that may be updated atomically.
class	AtomicInteger	An int value that may be updated atomically.
class	AtomicIntegerArray	An int array in which elements may be updated atomically.
class	AtomicIntegerFieldUpdater<T>	A reflection-based utility that enables atomic updates to designated volatile int fields of designated classes.
class	AtomicLong	A long value that may be updated atomically.
class	AtomicLongArray	A long array in which elements may be updated atomically.
class	AtomicLongFieldUpdater<T>	A reflection-based utility that enables atomic updates to designated volatile long fields of designated classes.
class	AtomicMarkableReference<V>	An AtomicMarkableReference maintains an object reference along with a mark bit, that can be updated atomically.
class	AtomicReference<V>	An object reference that may be updated atomically.
class	AtomicReferenceArray<E>	An array of object references in which elements may be updated atomically.
class	AtomicReferenceFieldUpdater<T,V>	A reflection-based utility that enables atomic updates to designated volatile reference fields of designated classes.
class	AtomicStampedReference<V>	An AtomicStampedReference maintains an object reference along with an integer "stamp", that can be updated atomically.
class	DoubleAccumulator	One or more variables that together maintain a running double value updated using a supplied function.
class	DoubleAdder	One or more variables that together maintain an initially zero double sum.
class	LongAccumulator	One or more variables that together maintain a running long value updated using a supplied function.
class	LongAdder	One or more variables that together maintain an initially zero long sum.

Constructors in java.util.concurrent.atomic with parameters of type Object

Modifier	Constructor	Description
	AtomicReferenceArray(E[] array)	Creates a new AtomicReferenceArray with the same length as, and all elements copied from, the given array.

Uses of Object in java.util.concurrent.locks

Subclasses of Object in java.util.concurrent.locks

Modifier and Type	Class	Description
class	AbstractOwnableSynchronizer	A synchronizer that may be exclusively owned by a thread.
class	AbstractQueuedLongSynchronizer	A version of AbstractQueuedSynchronizer in which synchronization state is maintained as a long.
class	AbstractQueuedLongSynchronizer.ConditionObject	Condition implementation for a AbstractQueuedLongSynchronizer serving as the basis of a Lock implementation.
class	AbstractQueuedSynchronizer	Provides a framework for implementing blocking locks and related synchronizers (semaphores, events, etc) that rely on first-in-first-out (FIFO) wait queues.
class	AbstractQueuedSynchronizer.ConditionObject	Condition implementation for a AbstractQueuedSynchronizer serving as the basis of a Lock implementation.
class	LockSupport	Basic thread blocking primitives for creating locks and other synchronization classes.
class	ReentrantLock	A reentrant mutual exclusion Lock with the same basic behavior and semantics as the implicit monitor lock accessed using synchronized methods and statements, but with extended capabilities.
class	ReentrantReadWriteLock	An implementation of ReadWriteLock supporting similar semantics to ReentrantLock.
static class	ReentrantReadWriteLock.ReadLock	The lock returned by method ReentrantReadWriteLock.readLock().
static class	ReentrantReadWriteLock.WriteLock	The lock returned by method ReentrantReadWriteLock.writeLock().
class	StampedLock	A capability-based lock with three modes for controlling read/write access.

Methods in java.util.concurrent.locks that return Object

Modifier and Type	Method	Description
static Object	LockSupport.getBlocker(Thread t)	Returns the blocker object supplied to the most recent invocation of a park method that has not yet unblocked, or null if not blocked.

Methods in java.util.concurrent.locks with parameters of type Object

Modifier and Type	Method	Description
static void	LockSupport.park(Object blocker)	Disables the current thread for thread scheduling purposes unless the permit is available.
static void	LockSupport.parkNanos(Object blocker, long nanos)	Disables the current thread for thread scheduling purposes, for up to the specified waiting time, unless the permit is available.
static void	LockSupport.parkUntil(Object blocker, long deadline)	Disables the current thread for thread scheduling purposes, until the specified deadline, unless the permit is available.
static void	LockSupport.setCurrentBlocker(Object blocker)	Sets the object to be returned by invocations of getBlocker for the current thread.

Uses of Object in java.util.function

Methods in java.util.function with parameters of type Object

Modifier and Type	Method	Description
static <T> Predicate<T>	Predicate.isEqual(Object targetRef)	Returns a predicate that tests if two arguments are equal according to Objects.equals(Object, Object).

Uses of Object in java.util.jar

Subclasses of Object in java.util.jar

Modifier and Type	Class	Description
class	Attributes	The Attributes class maps Manifest attribute names to associated string values.
static class	Attributes.Name	The Attributes.Name class represents an attribute name stored in this Map.
class	JarEntry	This class is used to represent a JAR file entry.
class	JarException	Signals that an error of some sort has occurred while reading from or writing to a JAR file.
class	JarFile	The JarFile class is used to read the contents of a jar file from any file that can be opened with java.io.RandomAccessFile.
class	JarInputStream	The JarInputStream class, which extends ZipInputStream, is used to read the contents of a JAR file from an input stream.
class	JarOutputStream	The JarOutputStream class is used to write the contents of a JAR file to any output stream.
class	Manifest	The Manifest class is used to maintain Manifest entry names and their associated Attributes.

Fields in java.util.jar with type parameters of type Object

Modifier and Type	Field	Description
protected Map<Object,Object>	Attributes.map	The attribute name-value mappings.
protected Map<Object,Object>	Attributes.map	The attribute name-value mappings.

Methods in java.util.jar that return Object

Modifier and Type	Method	Description
Object	Attributes.clone()	Returns a copy of the Attributes, implemented as follows:
Object	Manifest.clone()	Returns a shallow copy of this Manifest.
Object	Attributes.get(Object name)	Returns the value of the specified attribute name, or null if the attribute name was not found.
Object	Attributes.put(Object name, Object value)	Associates the specified value with the specified attribute name (key) in this Map.
Object	Attributes.remove(Object name)	Removes the attribute with the specified name (key) from this Map.

Methods in java.util.jar that return types with arguments of type Object

Modifier and Type	Method	Description
Set<Map.Entry<Object,Object>>	Attributes.entrySet()	Returns a Collection view of the attribute name-value mappings contained in this Map.
Set<Map.Entry<Object,Object>>	Attributes.entrySet()	Returns a Collection view of the attribute name-value mappings contained in this Map.
Set<Object>	Attributes.keySet()	Returns a Set view of the attribute names (keys) contained in this Map.
Collection<Object>	Attributes.values()	Returns a Collection view of the attribute values contained in this Map.

Methods in java.util.jar with parameters of type Object

Modifier and Type	Method	Description
boolean	Attributes.containsKey(Object name)	Returns true if this Map contains the specified attribute name (key).
boolean	Attributes.containsValue(Object value)	Returns true if this Map maps one or more attribute names (keys) to the specified value.
boolean	Attributes.equals(Object o)	Compares the specified object to the underlying map for equality.
boolean	Attributes.Name.equals(Object o)	Compares this attribute name to another for equality.
boolean	Manifest.equals(Object o)	Returns true if the specified Object is also a Manifest and has the same main Attributes and entries.
Object	Attributes.get(Object name)	Returns the value of the specified attribute name, or null if the attribute name was not found.
Object	Attributes.put(Object name, Object value)	Associates the specified value with the specified attribute name (key) in this Map.
Object	Attributes.remove(Object name)	Removes the attribute with the specified name (key) from this Map.

Uses of Object in java.util.logging

Subclasses of Object in java.util.logging

Modifier and Type	Class	Description
class	ConsoleHandler	This Handler publishes log records to System.err.
class	ErrorManager	ErrorManager objects can be attached to Handlers to process any error that occurs on a Handler during Logging.
class	FileHandler	Simple file logging Handler.
class	Formatter	A Formatter provides support for formatting LogRecords.
class	Handler	A Handler object takes log messages from a Logger and exports them.
class	Level	The Level class defines a set of standard logging levels that can be used to control logging output.
class	Logger	A Logger object is used to log messages for a specific system or application component.
final class	LoggingPermission	The permission which the SecurityManager will check when code that is running with a SecurityManager calls one of the logging control methods (such as Logger.setLevel).
class	LogManager	There is a single global LogManager object that is used to maintain a set of shared state about Loggers and log services.
class	LogRecord	LogRecord objects are used to pass logging requests between the logging framework and individual log Handlers.
class	MemoryHandler	Handler that buffers requests in a circular buffer in memory.
class	SimpleFormatter	Print a brief summary of the LogRecord in a human readable format.
class	SocketHandler	Simple network logging Handler.
class	StreamHandler	Stream based logging Handler.
class	XMLFormatter	Format a LogRecord into a standard XML format.

Methods in java.util.logging that return Object

Modifier and Type	Method	Description
Object[]	LogRecord.getParameters()	Get the parameters to the log message.

Methods in java.util.logging with parameters of type Object

Modifier and Type	Method	Description
void	Logger.entering(String sourceClass, String sourceMethod, Object param1)	Log a method entry, with one parameter.
void	Logger.entering(String sourceClass, String sourceMethod, Object[] params)	Log a method entry, with an array of parameters.
boolean	Level.equals(Object ox)	Compare two objects for value equality.
void	Logger.exiting(String sourceClass, String sourceMethod, Object result)	Log a method return, with result object.
void	Logger.log(Level level, String msg, Object param1)	Log a message, with one object parameter.
void	Logger.log(Level level, String msg, Object[] params)	Log a message, with an array of object arguments.
void	Logger.logp(Level level, String sourceClass, String sourceMethod, String msg, Object param1)	Log a message, specifying source class and method, with a single object parameter to the log message.
void	Logger.logp(Level level, String sourceClass, String sourceMethod, String msg, Object[] params)	Log a message, specifying source class and method, with an array of object arguments.
void	Logger.logrb(Level level, String sourceClass, String sourceMethod, String bundleName, String msg, Object param1)	Deprecated. Use Logger.logrb(java.util.logging.Level, java.lang.String, java.lang.String, java.util.ResourceBundle, java.lang.String, java.lang.Object...) instead
void	Logger.logrb(Level level, String sourceClass, String sourceMethod, String bundleName, String msg, Object[] params)	Deprecated. Use Logger.logrb(java.util.logging.Level, java.lang.String, java.lang.String, java.util.ResourceBundle, java.lang.String, java.lang.Object...) instead.
void	Logger.logrb(Level level, String sourceClass, String sourceMethod, ResourceBundle bundle, String msg, Object... params)	Log a message, specifying source class, method, and resource bundle, with an optional list of message parameters.
void	Logger.logrb(Level level, ResourceBundle bundle, String msg, Object... params)	Log a message, specifying source class, method, and resource bundle, with an optional list of message parameters.
void	LogRecord.setParameters(Object[] parameters)	Set the parameters to the log message.

Uses of Object in java.util.prefs

Subclasses of Object in java.util.prefs

Modifier and Type	Class	Description
class	AbstractPreferences	This class provides a skeletal implementation of the Preferences class, greatly easing the task of implementing it.
class	BackingStoreException	Thrown to indicate that a preferences operation could not complete because of a failure in the backing store, or a failure to contact the backing store.
class	InvalidPreferencesFormatException	Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of preferences, as per the Preferences specification.
class	NodeChangeEvent	An event emitted by a Preferences node to indicate that a child of that node has been added or removed.
class	PreferenceChangeEvent	An event emitted by a Preferences node to indicate that a preference has been added, removed or has had its value changed.
class	Preferences	A node in a hierarchical collection of preference data.

Fields in java.util.prefs declared as Object

Modifier and Type	Field	Description
protected final Object	AbstractPreferences.lock	An object whose monitor is used to lock this node.

Uses of Object in java.util.random

Subclasses of Object in java.util.random

Modifier and Type	Class	Description
final class	RandomGeneratorFactory<T extends RandomGenerator>	This is a factory class for generating multiple random number generators of a specific algorithm.

Uses of Object in java.util.regex

Subclasses of Object in java.util.regex

Modifier and Type	Class	Description
final class	Matcher	An engine that performs match operations on a character sequence by interpreting a Pattern.
final class	Pattern	A compiled representation of a regular expression.
class	PatternSyntaxException	Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.

Uses of Object in java.util.spi

Subclasses of Object in java.util.spi

Modifier and Type	Class	Description
class	AbstractResourceBundleProvider	AbstractResourceBundleProvider is an abstract class that provides the basic support for a provider implementation class for ResourceBundleProvider.
class	CalendarDataProvider	An abstract class for service providers that provide locale-dependent Calendar parameters.
class	CalendarNameProvider	An abstract class for service providers that provide localized string representations (display names) of Calendar field values.
class	CurrencyNameProvider	An abstract class for service providers that provide localized currency symbols and display names for the Currency class.
class	LocaleNameProvider	An abstract class for service providers that provide localized names for the Locale class.
class	LocaleServiceProvider	This is the super class of all the locale sensitive service provider interfaces (SPIs).
class	TimeZoneNameProvider	An abstract class for service providers that provide localized time zone names for the TimeZone class.

Uses of Object in java.util.stream

Subclasses of Object in java.util.stream

Modifier and Type	Class	Description
final class	Collectors	Implementations of Collector that implement various useful reduction operations, such as accumulating elements into collections, summarizing elements according to various criteria, etc.
final class	StreamSupport	Low-level utility methods for creating and manipulating streams.

Methods in java.util.stream that return Object

Modifier and Type	Method	Description
Object[]	Stream.toArray()	Returns an array containing the elements of this stream.
<A> A[]	Stream.toArray(IntFunction<A[]> generator)	Returns an array containing the elements of this stream, using the provided generator function to allocate the returned array, as well as any additional arrays that might be required for a partitioned execution or for resizing.

Methods in java.util.stream with parameters of type Object

Modifier and Type	Method	Description
static <T> Stream<T>	Stream.of(T... values)	Returns a sequential ordered stream whose elements are the specified values.

Uses of Object in java.util.zip

Subclasses of Object in java.util.zip

Modifier and Type	Class	Description
class	Adler32	A class that can be used to compute the Adler-32 checksum of a data stream.
class	CheckedInputStream	An input stream that also maintains a checksum of the data being read.
class	CheckedOutputStream	An output stream that also maintains a checksum of the data being written.
class	CRC32	A class that can be used to compute the CRC-32 of a data stream.
final class	CRC32C	A class that can be used to compute the CRC-32C of a data stream.
class	DataFormatException	Signals that a data format error has occurred.
class	Deflater	This class provides support for general purpose compression using the popular ZLIB compression library.
class	DeflaterInputStream	Implements an input stream filter for compressing data in the "deflate" compression format.
class	DeflaterOutputStream	This class implements an output stream filter for compressing data in the "deflate" compression format.
class	GZIPInputStream	This class implements a stream filter for reading compressed data in the GZIP file format.
class	GZIPOutputStream	This class implements a stream filter for writing compressed data in the GZIP file format.
class	Inflater	This class provides support for general purpose decompression using the popular ZLIB compression library.
class	InflaterInputStream	This class implements a stream filter for uncompressing data in the "deflate" compression format.
class	InflaterOutputStream	Implements an output stream filter for uncompressing data stored in the "deflate" compression format.
class	ZipEntry	This class is used to represent a ZIP file entry.
class	ZipError	Signals that an unrecoverable error has occurred.
class	ZipException	Signals that a Zip exception of some sort has occurred.
class	ZipFile	This class is used to read entries from a zip file.
class	ZipInputStream	An input stream for reading compressed and uncompressed ZIP file entries from a stream of bytes in the ZIP file format.
class	ZipOutputStream	This class implements an output stream filter for writing files in the ZIP file format.

Methods in java.util.zip that return Object

Modifier and Type	Method	Description
Object	ZipEntry.clone()	Returns a copy of this entry.

Uses of Object in javax.accessibility

Subclasses of Object in javax.accessibility

Modifier and Type	Class	Description
class	AccessibilityProvider	Service Provider Interface (SPI) for Assistive Technology.
class	AccessibleAttributeSequence	This class collects together the span of text that share the same contiguous set of attributes, along with that set of attributes.
class	AccessibleBundle	Base class used to maintain a strongly typed enumeration.
class	AccessibleContext	AccessibleContext represents the minimum information all accessible objects return.
class	AccessibleHyperlink	Encapsulation of a link, or set of links (e.g. client side imagemap) in a Hypertext document
class	AccessibleRelation	Class AccessibleRelation describes a relation between the object that implements the AccessibleRelation and one or more other objects.
class	AccessibleRelationSet	Class AccessibleRelationSet determines a component's relation set.
class	AccessibleResourceBundle	Deprecated. This class is deprecated as of version 1.3 of the Java Platform
class	AccessibleRole	Class AccessibleRole determines the role of a component.
class	AccessibleState	Class AccessibleState describes a component's particular state.
class	AccessibleStateSet	Class AccessibleStateSet determines a component's state set.
class	AccessibleTextSequence	This class collects together key details of a span of text.

Methods in javax.accessibility that return Object

Modifier and Type	Method	Description
abstract Object	AccessibleHyperlink.getAccessibleActionAnchor(int i)	Returns an object that represents the link anchor, as appropriate for that link.
abstract Object	AccessibleHyperlink.getAccessibleActionObject(int i)	Returns an object that represents the link action, as appropriate for that link.
Object	AccessibleKeyBinding.getAccessibleKeyBinding(int i)	Returns a key binding for this object.
Object[][]	AccessibleResourceBundle.getContents()	Deprecated. Returns the mapping between the programmatic keys and the localized display strings.
Object[]	AccessibleRelation.getTarget()	Returns the target objects for this relation.

Methods in javax.accessibility with parameters of type Object

Modifier and Type	Method	Description
void	AccessibleContext.firePropertyChange(String propertyName, Object oldValue, Object newValue)	Support for reporting bound property changes.
void	AccessibleRelation.setTarget(Object target)	Sets the target object for this relation.
void	AccessibleRelation.setTarget(Object[] target)	Sets the target objects for this relation.

Constructors in javax.accessibility with parameters of type Object

Modifier	Constructor	Description
	AccessibleRelation(String key, Object target)	Creates a new AccessibleRelation using the given locale independent key.
	AccessibleRelation(String key, Object[] target)	Creates a new AccessibleRelation using the given locale independent key.

Uses of Object in javax.annotation.processing

Subclasses of Object in javax.annotation.processing

Modifier and Type	Class	Description
class	AbstractProcessor	An abstract annotation processor designed to be a convenient superclass for most concrete annotation processors.
class	Completions	Utility class for assembling Completion objects.
class	FilerException	Indicates a Filer detected an attempt to open a file that would violate the guarantees provided by the Filer.

Uses of Object in javax.crypto

Subclasses of Object in javax.crypto

Modifier and Type	Class	Description
class	AEADBadTagException	This exception is thrown when a Cipher operating in an AEAD mode (such as GCM/CCM) is unable to verify the supplied authentication tag.
class	BadPaddingException	This exception is thrown when a particular padding mechanism is expected for the input data but the data is not padded properly.
class	Cipher	This class provides the functionality of a cryptographic cipher for encryption and decryption.
class	CipherInputStream	A CipherInputStream is composed of an InputStream and a Cipher object so that read() methods return data that are read in from the underlying InputStream but have been additionally processed by the Cipher object.
class	CipherOutputStream	A CipherOutputStream is composed of an OutputStream and a Cipher object so that write() methods first process the data before writing them out to the underlying OutputStream.
class	CipherSpi	This class defines the Service Provider Interface (SPI) for the Cipher class.
class	DecapsulateException	An exception that is thrown by the KEM.Decapsulator.decapsulate(byte[]) method to denote an error during decapsulation.
class	EncryptedPrivateKeyInfo	This class implements the EncryptedPrivateKeyInfo type as defined in PKCS #8.
class	ExemptionMechanism	This class provides the functionality of an exemption mechanism, examples of which are key recovery, key weakening, and key escrow.
class	ExemptionMechanismException	This is the generic ExemptionMechanism exception.
class	ExemptionMechanismSpi	This class defines the Service Provider Interface (SPI) for the ExemptionMechanism class.
class	IllegalBlockSizeException	This exception is thrown when the length of data provided to a block cipher is incorrect, i.e., does not match the block size of the cipher.
final class	KEM	This class provides the functionality of a Key Encapsulation Mechanism (KEM).
static final class	KEM.Decapsulator	A decapsulator, generated by KEM.newDecapsulator(java.security.PrivateKey) on the KEM receiver side.
static final class	KEM.Encapsulated	This class specifies the return value of the encapsulate method of a Key Encapsulation Mechanism (KEM), which includes the shared secret (as a SecretKey), the key encapsulation message, and optional parameters.
static final class	KEM.Encapsulator	An encapsulator, generated by KEM.newEncapsulator(java.security.PublicKey) on the KEM sender side.
class	KeyAgreement	This class provides the functionality of a key agreement (or key exchange) protocol.
class	KeyAgreementSpi	This class defines the Service Provider Interface (SPI) for the KeyAgreement class.
class	KeyGenerator	This class provides the functionality of a secret (symmetric) key generator.
class	KeyGeneratorSpi	This class defines the Service Provider Interface (SPI) for the KeyGenerator class.
class	Mac	This class provides the functionality of a "Message Authentication Code" (MAC) algorithm.
class	MacSpi	This class defines the Service Provider Interface (SPI) for the Mac class.
class	NoSuchPaddingException	This exception is thrown when a particular padding mechanism is requested but is not available in the environment.
class	NullCipher	The NullCipher class is a class that provides an "identity cipher" -- one that does not transform the plain text.
class	SealedObject	This class enables a programmer to create an object and protect its confidentiality with a cryptographic algorithm.
class	SecretKeyFactory	This class represents a factory for secret keys.
class	SecretKeyFactorySpi	This class defines the Service Provider Interface (SPI) for the SecretKeyFactory class.
class	ShortBufferException	This exception is thrown when an output buffer provided by the user is too short to hold the operation result.

Methods in javax.crypto that return Object

Modifier and Type	Method	Description
final Object	Mac.clone()	Returns a clone if the provider implementation is cloneable.
Object	MacSpi.clone()	Returns a clone if the implementation is cloneable.
final Object	SealedObject.getObject(Key key)	Retrieves the original (encapsulated) object.
final Object	SealedObject.getObject(Key key, String provider)	Retrieves the original (encapsulated) object.
final Object	SealedObject.getObject(Cipher c)	Retrieves the original (encapsulated) object.

Uses of Object in javax.crypto.spec

Subclasses of Object in javax.crypto.spec

Modifier and Type	Class	Description
final class	ChaCha20ParameterSpec	This class specifies the parameters used with the ChaCha20 algorithm.
class	DESedeKeySpec	This class specifies a DES-EDE ("triple-DES") key.
class	DESKeySpec	This class specifies a DES key.
class	DHGenParameterSpec	This class specifies the set of parameters used for generating Diffie-Hellman (system) parameters for use in Diffie-Hellman key agreement.
class	DHParameterSpec	This class specifies the set of parameters used with the Diffie-Hellman algorithm, as specified in PKCS #3: Diffie-Hellman Key-Agreement Standard.
class	DHPrivateKeySpec	This class specifies a Diffie-Hellman private key with its associated parameters.
class	DHPublicKeySpec	This class specifies a Diffie-Hellman public key with its associated parameters.
class	GCMParameterSpec	Specifies the set of parameters required by a Cipher using the Galois/Counter Mode (GCM) mode.
class	IvParameterSpec	This class specifies an initialization vector (IV).
class	OAEPParameterSpec	This class specifies the set of parameters used with OAEP Padding, as defined in the PKCS#1 v2.2 standard.
class	PBEKeySpec	A user-chosen password that can be used with password-based encryption (PBE).
class	PBEParameterSpec	This class specifies the set of parameters used with password-based encryption (PBE), as defined in the PKCS #5 standard.
class	PSource	This class specifies the source for encoding input P in OAEP Padding, as defined in the PKCS#1 v2.2 standard.
static final class	PSource.PSpecified	This class is used to explicitly specify the value for encoding input P in OAEP Padding.
class	RC2ParameterSpec	This class specifies the parameters used with the RC2 algorithm.
class	RC5ParameterSpec	This class specifies the parameters used with the RC5 algorithm.
class	SecretKeySpec	This class specifies a secret key in a provider-independent fashion.

Methods in javax.crypto.spec with parameters of type Object

Modifier and Type	Method	Description
boolean	RC2ParameterSpec.equals(Object obj)	Tests for equality between the specified object and this object.
boolean	RC5ParameterSpec.equals(Object obj)	Tests for equality between the specified object and this object.
boolean	SecretKeySpec.equals(Object obj)	Tests for equality between the specified object and this object.

Uses of Object in javax.imageio

Subclasses of Object in javax.imageio

Modifier and Type	Class	Description
class	IIOException	An exception class used for signaling run-time failure of reading and writing operations.
class	IIOImage	A simple container class to aggregate an image, a set of thumbnail (preview) images, and an object representing metadata associated with the image.
class	IIOParam	A superclass of all classes describing how streams should be decoded or encoded.
final class	ImageIO	A class containing static convenience methods for locating ImageReaders and ImageWriters, and performing simple encoding and decoding.
class	ImageReader	An abstract superclass for parsing and decoding of images.
class	ImageReadParam	A class describing how a stream is to be decoded.
class	ImageTypeSpecifier	A class that allows the format of an image (in particular, its SampleModel and ColorModel) to be specified in a convenient manner.
class	ImageWriteParam	A class describing how a stream is to be encoded.
class	ImageWriter	An abstract superclass for encoding and writing images.

Fields in javax.imageio declared as Object

Modifier and Type	Field	Description
protected Object	ImageReader.input	The ImageInputStream or other Object by setInput and retrieved by getInput.
protected Object	ImageWriter.output	The ImageOutputStream or other Object set by setOutput and retrieved by getOutput.

Methods in javax.imageio that return Object

Modifier and Type	Method	Description
Object	ImageReader.getInput()	Returns the ImageInputStream or other Object previously set as the input source.
Object	ImageWriter.getOutput()	Returns the ImageOutputStream or other Object set by the most recent call to the setOutput method.

Methods in javax.imageio with parameters of type Object

Modifier and Type	Method	Description
static ImageInputStream	ImageIO.createImageInputStream(Object input)	Returns an ImageInputStream that will take its input from the given Object.
static ImageOutputStream	ImageIO.createImageOutputStream(Object output)	Returns an ImageOutputStream that will send its output to the given Object.
boolean	ImageTypeSpecifier.equals(Object o)	Returns true if the given Object is an ImageTypeSpecifier and has a SampleModel and ColorModel that are equal to those of this object.
static Iterator<ImageReader>	ImageIO.getImageReaders(Object input)	Returns an Iterator containing all currently registered ImageReaders that claim to be able to decode the supplied Object, typically an ImageInputStream.
void	ImageReader.setInput(Object input)	Sets the input source to use to the given ImageInputStream or other Object.
void	ImageReader.setInput(Object input, boolean seekForwardOnly)	Sets the input source to use to the given ImageInputStream or other Object.
void	ImageReader.setInput(Object input, boolean seekForwardOnly, boolean ignoreMetadata)	Sets the input source to use to the given ImageInputStream or other Object.
void	ImageWriter.setOutput(Object output)	Sets the destination to the given ImageOutputStream or other Object.

Uses of Object in javax.imageio.metadata

Subclasses of Object in javax.imageio.metadata

Modifier and Type	Class	Description
class	IIOInvalidTreeException	An IIOInvalidTreeException is thrown when an attempt by an IIOMetadata object to parse a tree of IIOMetadataNodes fails.
class	IIOMetadata	An abstract class to be extended by objects that represent metadata (non-image data) associated with images and streams.
class	IIOMetadataFormatImpl	A concrete class providing a reusable implementation of the IIOMetadataFormat interface.
class	IIOMetadataNode	A class representing a node in a meta-data tree, which implements the org.w3c.dom.Element interface and additionally allows for the storage of non-textual objects via the getUserObject and setUserObject methods.

Methods in javax.imageio.metadata with type parameters of type Object

Modifier and Type	Method	Description
protected <T extends Object & Comparable<? super T>> void	IIOMetadataFormatImpl.addObjectValue(String elementName, Class<T> classType, T defaultValue, Comparable<? super T> minValue, Comparable<? super T> maxValue, boolean minInclusive, boolean maxInclusive)	Allows an Object reference of a given class type to be stored in nodes implementing the named element.

Methods in javax.imageio.metadata that return Object

Modifier and Type	Method	Description
Object	IIOMetadataNode.getFeature(String feature, String version)	This DOM Level 3 method is not supported for IIOMetadataNode and will throw a DOMException.
Object	IIOMetadataFormat.getObjectDefaultValue(String elementName)	Returns an Objects containing the default value for the Object reference within the named element.
Object	IIOMetadataFormatImpl.getObjectDefaultValue(String elementName)
Object[]	IIOMetadataFormat.getObjectEnumerations(String elementName)	Returns an array of Objects containing the legal enumerated values for the Object reference within the named element.
Object[]	IIOMetadataFormatImpl.getObjectEnumerations(String elementName)
Object	IIOMetadataNode.getUserData(String key)	This DOM Level 3 method is not supported for IIOMetadataNode and will throw a DOMException.
Object	IIOMetadataNode.getUserObject()	Returns the Object value associated with this node.
Object	IIOMetadataNode.setUserData(String key, Object data, UserDataHandler handler)	This DOM Level 3 method is not supported for IIOMetadataNode and will throw a DOMException.

Methods in javax.imageio.metadata with parameters of type Object

Modifier and Type	Method	Description
Object	IIOMetadataNode.setUserData(String key, Object data, UserDataHandler handler)	This DOM Level 3 method is not supported for IIOMetadataNode and will throw a DOMException.
void	IIOMetadataNode.setUserObject(Object userObject)	Sets the value associated with this node.

Uses of Object in javax.imageio.plugins.bmp

Subclasses of Object in javax.imageio.plugins.bmp

Modifier and Type	Class	Description
class	BMPImageWriteParam	A subclass of ImageWriteParam for encoding images in the BMP format.

Uses of Object in javax.imageio.plugins.jpeg

Subclasses of Object in javax.imageio.plugins.jpeg

Modifier and Type	Class	Description
class	JPEGHuffmanTable	A class encapsulating a single JPEG Huffman table.
class	JPEGImageReadParam	This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG reader plug-in.
class	JPEGImageWriteParam	This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG writer plug-in, and to request that optimized Huffman tables be computed for an image.
class	JPEGQTable	A class encapsulating a single JPEG quantization table.

Uses of Object in javax.imageio.plugins.tiff

Subclasses of Object in javax.imageio.plugins.tiff

Modifier and Type	Class	Description
final class	BaselineTIFFTagSet	A class representing the set of tags found in the baseline TIFF specification as well as some common additional tags.
final class	ExifGPSTagSet	A class representing the tags found in an Exif GPS Info IFD.
final class	ExifInteroperabilityTagSet	A class representing the tags found in an Exif Interoperability IFD.
final class	ExifParentTIFFTagSet	A class containing the TIFF tags used to reference the Exif and GPS IFDs.
final class	ExifTIFFTagSet	A class representing the tags found in an Exif IFD.
final class	FaxTIFFTagSet	A class representing the extra tags found in a TIFF-F (RFC 2036) file.
final class	GeoTIFFTagSet	A class representing the tags found in a GeoTIFF IFD.
class	TIFFDirectory	A convenience class for simplifying interaction with TIFF native image metadata.
final class	TIFFField	A class representing a field in a TIFF 6.0 Image File Directory.
final class	TIFFImageReadParam	A subclass of ImageReadParam allowing control over the TIFF reading process.
class	TIFFTag	A class defining the notion of a TIFF tag.
class	TIFFTagSet	A class representing a set of TIFF tags.

Methods in javax.imageio.plugins.tiff that return Object

Modifier and Type	Method	Description
static Object	TIFFField.createArrayForType(int dataType, int count)	Creates an array appropriate for the indicated data type.
Object	TIFFField.getData()	Returns a reference to the data object associated with the field.

Constructors in javax.imageio.plugins.tiff with parameters of type Object

Modifier	Constructor	Description
	TIFFField(TIFFTag tag, int type, int count, Object data)	Constructs a TIFFField with arbitrary data.

Uses of Object in javax.imageio.spi

Subclasses of Object in javax.imageio.spi

Modifier and Type	Class	Description
final class	IIORegistry	A registry for Image I/O service provider instances.
class	IIOServiceProvider	A superinterface for functionality common to all Image I/O service provider interfaces (SPIs).
class	ImageInputStreamSpi	The service provider interface (SPI) for ImageInputStreams.
class	ImageOutputStreamSpi	The service provider interface (SPI) for ImageOutputStreams.
class	ImageReaderSpi	The service provider interface (SPI) for ImageReaders.
class	ImageReaderWriterSpi	A superclass containing instance variables and methods common to ImageReaderSpi and ImageWriterSpi.
class	ImageTranscoderSpi	The service provider interface (SPI) for ImageTranscoders.
class	ImageWriterSpi	The service provider interface (SPI) for ImageWriters.
class	ServiceRegistry	A registry for service provider instances for Image I/O service types.

Methods in javax.imageio.spi with parameters of type Object

Modifier and Type	Method	Description
abstract boolean	ImageReaderSpi.canDecodeInput(Object source)	Returns true if the supplied source object appears to be of the format supported by this reader.
boolean	ServiceRegistry.contains(Object provider)	Returns true if provider is currently registered.
ImageInputStream	ImageInputStreamSpi.createInputStreamInstance(Object input)	Returns an instance of the ImageInputStream implementation associated with this service provider.
abstract ImageInputStream	ImageInputStreamSpi.createInputStreamInstance(Object input, boolean useCache, File cacheDir)	Returns an instance of the ImageInputStream implementation associated with this service provider.
ImageOutputStream	ImageOutputStreamSpi.createOutputStreamInstance(Object output)	Returns an instance of the ImageOutputStream implementation associated with this service provider.
abstract ImageOutputStream	ImageOutputStreamSpi.createOutputStreamInstance(Object output, boolean useCache, File cacheDir)	Returns an instance of the ImageOutputStream implementation associated with this service provider.
abstract ImageReader	ImageReaderSpi.createReaderInstance(Object extension)	Returns an instance of the ImageReader implementation associated with this service provider.
abstract ImageWriter	ImageWriterSpi.createWriterInstance(Object extension)	Returns an instance of the ImageWriter implementation associated with this service provider.
void	ServiceRegistry.deregisterServiceProvider(Object provider)	Removes a service provider object from all categories that contain it.
boolean	ServiceRegistry.Filter.filter(Object provider)	Returns true if the given provider object matches the criterion defined by this Filter.
void	ServiceRegistry.registerServiceProvider(Object provider)	Adds a service provider object to the registry.

Uses of Object in javax.imageio.stream

Subclasses of Object in javax.imageio.stream

Modifier and Type	Class	Description
class	FileCacheImageInputStream	An implementation of ImageInputStream that gets its input from a regular InputStream.
class	FileCacheImageOutputStream	An implementation of ImageOutputStream that writes its output to a regular OutputStream.
class	FileImageInputStream	An implementation of ImageInputStream that gets its input from a File or RandomAccessFile.
class	FileImageOutputStream	An implementation of ImageOutputStream that writes its output directly to a File or RandomAccessFile.
class	IIOByteBuffer	A class representing a mutable reference to an array of bytes and an offset and length within that array.
class	ImageInputStreamImpl	An abstract class implementing the ImageInputStream interface.
class	ImageOutputStreamImpl	An abstract class implementing the ImageOutputStream interface.
class	MemoryCacheImageInputStream	An implementation of ImageInputStream that gets its input from a regular InputStream.
class	MemoryCacheImageOutputStream	An implementation of ImageOutputStream that writes its output to a regular OutputStream.

Uses of Object in javax.lang.model

Subclasses of Object in javax.lang.model

Modifier and Type	Class	Description
class	UnknownEntityException	Superclass of exceptions which indicate that an unknown kind of entity was encountered.

Uses of Object in javax.lang.model.element

Subclasses of Object in javax.lang.model.element

Modifier and Type	Class	Description
class	UnknownAnnotationValueException	Indicates that an unknown kind of annotation value was encountered.
class	UnknownDirectiveException	Indicates that an unknown kind of module directive was encountered.
class	UnknownElementException	Indicates that an unknown kind of element was encountered.

Methods in javax.lang.model.element that return Object

Modifier and Type	Method	Description
Object	UnknownAnnotationValueException.getArgument()	Returns the additional argument.
Object	UnknownDirectiveException.getArgument()	Returns the additional argument.
Object	UnknownElementException.getArgument()	Returns the additional argument.
Object	VariableElement.getConstantValue()	Returns the value of this variable if this is a final field initialized to a compile-time constant.
Object	AnnotationValue.getValue()	Returns the value.

Methods in javax.lang.model.element with parameters of type Object

Modifier and Type	Method	Description
boolean	Element.equals(Object obj)	Returns true if the argument represents the same element as this, or false otherwise.
boolean	Name.equals(Object obj)	Returns true if the argument represents the same name as this, and false otherwise.

Constructors in javax.lang.model.element with parameters of type Object

Modifier	Constructor	Description
	UnknownAnnotationValueException(AnnotationValue av, Object p)	Creates a new UnknownAnnotationValueException.
	UnknownDirectiveException(ModuleElement.Directive d, Object p)	Creates a new UnknownElementException.
	UnknownElementException(Element e, Object p)	Creates a new UnknownElementException.

Uses of Object in javax.lang.model.type

Subclasses of Object in javax.lang.model.type

Modifier and Type	Class	Description
class	MirroredTypeException	Thrown when an application attempts to access the Class object corresponding to a TypeMirror.
class	MirroredTypesException	Thrown when an application attempts to access a sequence of Class objects each corresponding to a TypeMirror.
class	UnknownTypeException	Indicates that an unknown kind of type was encountered.

Methods in javax.lang.model.type that return Object

Modifier and Type	Method	Description
Object	UnknownTypeException.getArgument()	Returns the additional argument.

Methods in javax.lang.model.type with parameters of type Object

Modifier and Type	Method	Description
boolean	TypeMirror.equals(Object obj)	Obeys the general contract of Object.equals.

Constructors in javax.lang.model.type with parameters of type Object

Modifier	Constructor	Description
	UnknownTypeException(TypeMirror t, Object p)	Creates a new UnknownTypeException.The p parameter may be used to pass in an additional argument with information about the context in which the unknown type was encountered; for example, the visit methods of TypeVisitor may pass in their additional parameter.

Uses of Object in javax.lang.model.util

Subclasses of Object in javax.lang.model.util

Modifier and Type	Class	Description
class	AbstractAnnotationValueVisitor14<R,P>	A skeletal visitor for annotation values with default behavior appropriate for source version RELEASE_14.
class	AbstractAnnotationValueVisitor6<R,P>	A skeletal visitor for annotation values with default behavior appropriate for the RELEASE_6 source version.
class	AbstractAnnotationValueVisitor7<R,P>	A skeletal visitor for annotation values with default behavior appropriate for the RELEASE_7 source version.
class	AbstractAnnotationValueVisitor8<R,P>	A skeletal visitor for annotation values with default behavior appropriate for the RELEASE_8 source version.
class	AbstractAnnotationValueVisitor9<R,P>	A skeletal visitor for annotation values with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	AbstractElementVisitor14<R,P>	A skeletal visitor of program elements with default behavior appropriate for the RELEASE_14 source version.
class	AbstractElementVisitor6<R,P>	A skeletal visitor of program elements with default behavior appropriate for the RELEASE_6 source version.
class	AbstractElementVisitor7<R,P>	A skeletal visitor of program elements with default behavior appropriate for the RELEASE_7 source version.
class	AbstractElementVisitor8<R,P>	A skeletal visitor of program elements with default behavior appropriate for the RELEASE_8 source version.
class	AbstractElementVisitor9<R,P>	A skeletal visitor of program elements with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	AbstractTypeVisitor14<R,P>	A skeletal visitor of types with default behavior appropriate for the RELEASE_14 source version.
class	AbstractTypeVisitor6<R,P>	A skeletal visitor of types with default behavior appropriate for the RELEASE_6 source version.
class	AbstractTypeVisitor7<R,P>	A skeletal visitor of types with default behavior appropriate for the RELEASE_7 source version.
class	AbstractTypeVisitor8<R,P>	A skeletal visitor of types with default behavior appropriate for the RELEASE_8 source version.
class	AbstractTypeVisitor9<R,P>	A skeletal visitor of types with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	ElementFilter	Filters for selecting just the elements of interest from a collection of elements.
class	ElementKindVisitor14<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the RELEASE_14 source version.
class	ElementKindVisitor6<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the RELEASE_6 source version.
class	ElementKindVisitor7<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the RELEASE_7 source version.
class	ElementKindVisitor8<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the RELEASE_8 source version.
class	ElementKindVisitor9<R,P>	A visitor of program elements based on their kind with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	ElementScanner14<R,P>	A scanning visitor of program elements with default behavior appropriate for the RELEASE_14 source version.
class	ElementScanner6<R,P>	A scanning visitor of program elements with default behavior appropriate for the RELEASE_6 source version.
class	ElementScanner7<R,P>	A scanning visitor of program elements with default behavior appropriate for the RELEASE_7 source version.
class	ElementScanner8<R,P>	A scanning visitor of program elements with default behavior appropriate for the RELEASE_8 source version.
class	ElementScanner9<R,P>	A scanning visitor of program elements with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	SimpleAnnotationValueVisitor14<R,P>	A simple visitor for annotation values with default behavior appropriate for source version RELEASE_14.
class	SimpleAnnotationValueVisitor6<R,P>	A simple visitor for annotation values with default behavior appropriate for the RELEASE_6 source version.
class	SimpleAnnotationValueVisitor7<R,P>	A simple visitor for annotation values with default behavior appropriate for the RELEASE_7 source version.
class	SimpleAnnotationValueVisitor8<R,P>	A simple visitor for annotation values with default behavior appropriate for the RELEASE_8 source version.
class	SimpleAnnotationValueVisitor9<R,P>	A simple visitor for annotation values with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	SimpleElementVisitor14<R,P>	A simple visitor of program elements with default behavior appropriate for the RELEASE_14 source version.
class	SimpleElementVisitor6<R,P>	A simple visitor of program elements with default behavior appropriate for the RELEASE_6 source version.
class	SimpleElementVisitor7<R,P>	A simple visitor of program elements with default behavior appropriate for the RELEASE_7 source version.
class	SimpleElementVisitor8<R,P>	A simple visitor of program elements with default behavior appropriate for the RELEASE_8 source version.
class	SimpleElementVisitor9<R,P>	A simple visitor of program elements with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	SimpleTypeVisitor14<R,P>	A simple visitor of types with default behavior appropriate for source version RELEASE_14.
class	SimpleTypeVisitor6<R,P>	A simple visitor of types with default behavior appropriate for the RELEASE_6 source version.
class	SimpleTypeVisitor7<R,P>	A simple visitor of types with default behavior appropriate for the RELEASE_7 source version.
class	SimpleTypeVisitor8<R,P>	A simple visitor of types with default behavior appropriate for the RELEASE_8 source version.
class	SimpleTypeVisitor9<R,P>	A simple visitor of types with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.
class	TypeKindVisitor14<R,P>	A visitor of types based on their kind with default behavior appropriate for source version RELEASE_14.
class	TypeKindVisitor6<R,P>	A visitor of types based on their kind with default behavior appropriate for the RELEASE_6 source version.
class	TypeKindVisitor7<R,P>	A visitor of types based on their kind with default behavior appropriate for the RELEASE_7 source version.
class	TypeKindVisitor8<R,P>	A visitor of types based on their kind with default behavior appropriate for the RELEASE_8 source version.
class	TypeKindVisitor9<R,P>	A visitor of types based on their kind with default behavior appropriate for source versions RELEASE_9 through RELEASE_14.

Fields in javax.lang.model.util declared as Object

Modifier and Type	Field	Description
protected final R	ElementScanner6.DEFAULT_VALUE	The specified default value.
protected final R	SimpleAnnotationValueVisitor6.DEFAULT_VALUE	Default value to be returned; defaultAction returns this value unless the method is overridden.
protected final R	SimpleElementVisitor6.DEFAULT_VALUE	Default value to be returned; defaultAction returns this value unless the method is overridden.
protected final R	SimpleTypeVisitor6.DEFAULT_VALUE	Default value to be returned; defaultAction returns this value unless the method is overridden.

Methods in javax.lang.model.util with parameters of type Object

Modifier and Type	Method	Description
protected R	SimpleAnnotationValueVisitor6.defaultAction(Object o, P p)	The default action for visit methods.
String	Elements.getConstantExpression(Object value)	Returns the text of a constant expression representing a primitive value or a string.

Uses of Object in javax.management

Subclasses of Object in javax.management

Modifier and Type	Class	Description
class	Attribute	Represents an MBean attribute by associating its name with its value.
class	AttributeChangeNotification	Provides definitions of the attribute change notifications sent by MBeans.
class	AttributeChangeNotificationFilter	This class implements of the NotificationFilter interface for the attribute change notification.
class	AttributeList	Represents a list of values for attributes of an MBean.
class	AttributeNotFoundException	The specified attribute does not exist or cannot be retrieved.
class	AttributeValueExp	Represents attributes used as arguments to relational constraints.
class	BadAttributeValueExpException	Thrown when an invalid MBean attribute is passed to a query constructing method.
class	BadBinaryOpValueExpException	Thrown when an invalid expression is passed to a method for constructing a query.
class	BadStringOperationException	Thrown when an invalid string operation is passed to a method for constructing a query.
class	DefaultLoaderRepository	Deprecated. Use MBeanServer.getClassLoaderRepository() instead.
class	ImmutableDescriptor	An immutable descriptor.
class	InstanceAlreadyExistsException	The MBean is already registered in the repository.
class	InstanceNotFoundException	The specified MBean does not exist in the repository.
class	IntrospectionException	An exception occurred during the introspection of an MBean.
class	InvalidApplicationException	Thrown when an attempt is made to apply either of the following: A subquery expression to an MBean or a qualified attribute expression to an MBean of the wrong class.
class	InvalidAttributeValueException	The value specified is not valid for the attribute.
class	JMException	Exceptions thrown by JMX implementations.
class	JMRuntimeException	Runtime exceptions emitted by JMX implementations.
class	JMX	Static methods from the JMX API.
class	ListenerNotFoundException	The specified MBean listener does not exist in the repository.
class	MalformedObjectNameException	The format of the string does not correspond to a valid ObjectName.
class	MBeanAttributeInfo	Describes an MBean attribute exposed for management.
class	MBeanConstructorInfo	Describes a constructor exposed by an MBean.
class	MBeanException	Represents "user defined" exceptions thrown by MBean methods in the agent.
class	MBeanFeatureInfo	Provides general information for an MBean descriptor object.
class	MBeanInfo	Describes the management interface exposed by an MBean; that is, the set of attributes and operations which are available for management operations.
class	MBeanNotificationInfo	The MBeanNotificationInfo class is used to describe the characteristics of the different notification instances emitted by an MBean, for a given Java class of notification.
class	MBeanOperationInfo	Describes a management operation exposed by an MBean.
class	MBeanParameterInfo	Describes an argument of an operation exposed by an MBean.
class	MBeanPermission	Permission controlling access to MBeanServer operations.
class	MBeanRegistrationException	Wraps exceptions thrown by the preRegister(), preDeregister() methods of the MBeanRegistration interface.
class	MBeanServerBuilder	This class represents a builder that creates a default MBeanServer implementation.
class	MBeanServerDelegate	Represents the MBean server from the management point of view.
class	MBeanServerFactory	Provides MBean server references.
class	MBeanServerInvocationHandler	InvocationHandler that forwards methods in an MBean's management interface through the MBean server to the MBean.
class	MBeanServerNotification	Represents a notification emitted by the MBean Server through the MBeanServerDelegate MBean.
class	MBeanServerPermission	A Permission to perform actions related to MBeanServers.
class	MBeanTrustPermission	This permission represents "trust" in a signer or codebase.
class	NotCompliantMBeanException	Exception which occurs when trying to register an object in the MBean server that is not a JMX compliant MBean.
class	Notification	The Notification class represents a notification emitted by an MBean.
class	NotificationBroadcasterSupport	Provides an implementation of NotificationEmitter interface.
class	NotificationFilterSupport	Provides an implementation of the NotificationFilter interface.
class	ObjectInstance	Used to represent the object name of an MBean and its class name.
class	ObjectName	Represents the object name of an MBean, or a pattern that can match the names of several MBeans.
class	OperationsException	Represents exceptions thrown in the MBean server when performing operations on MBeans.
class	Query	Constructs query object constraints.
class	QueryEval	Allows a query to be performed in the context of a specific MBean server.
class	ReflectionException	Represents exceptions thrown in the MBean server when using the java.lang.reflect classes to invoke methods on MBeans.
class	RuntimeErrorException	When a java.lang.Error occurs in the agent it should be caught and re-thrown as a RuntimeErrorException.
class	RuntimeMBeanException	Represents runtime exceptions thrown by MBean methods in the agent.
class	RuntimeOperationsException	Represents runtime exceptions thrown in the agent when performing operations on MBeans.
class	ServiceNotFoundException	Represents exceptions raised when a requested service is not supported.
class	StandardEmitterMBean	An MBean whose management interface is determined by reflection on a Java interface, and that emits notifications.
class	StandardMBean	An MBean whose management interface is determined by reflection on a Java interface.
class	StringValueExp	Represents strings that are arguments to relational constraints.

Fields in javax.management declared as Object

Modifier and Type	Field	Description
protected Object	Notification.source	This field hides the EventObject.source field in the parent class to make it non-transient and therefore part of the serialized form.

Methods in javax.management that return Object

Modifier and Type	Method	Description
Object	Descriptor.clone()	Returns a descriptor which is equal to this descriptor.
Object	MBeanAttributeInfo.clone()	Returns a shallow clone of this instance.
Object	MBeanConstructorInfo.clone()	Returns a shallow clone of this instance.
Object	MBeanInfo.clone()	Returns a shallow clone of this instance.
Object	MBeanNotificationInfo.clone()	Returns a shallow clone of this instance.
Object	MBeanOperationInfo.clone()	Returns a shallow clone of this instance.
Object	MBeanParameterInfo.clone()	Returns a shallow clone of this instance.
protected Object	AttributeValueExp.getAttribute(ObjectName name)	Return the value of the given attribute in the named MBean.
Object	DynamicMBean.getAttribute(String attribute)	Obtain the value of a specific attribute of the Dynamic MBean.
Object	MBeanServer.getAttribute(ObjectName name, String attribute)
Object	MBeanServerConnection.getAttribute(ObjectName name, String attribute)	Gets the value of a specific attribute of a named MBean.
Object	StandardMBean.getAttribute(String attribute)
Object	Descriptor.getFieldValue(String fieldName)	Returns the value for a specific field name, or null if no value is present for that name.
final Object	ImmutableDescriptor.getFieldValue(String fieldName)
Object[]	Descriptor.getFieldValues(String... fieldNames)	Returns all the field values in the descriptor as an array of Objects.
final Object[]	ImmutableDescriptor.getFieldValues(String... fieldNames)
Object	StandardMBean.getImplementation()	Get the implementation of this Standard MBean (or MXBean).
Object	AttributeChangeNotification.getNewValue()	Gets the new value of the attribute which has changed.
Object	AttributeChangeNotification.getOldValue()	Gets the old value of the attribute which has changed.
Object	Notification.getUserData()	Get the user data.
Object	Attribute.getValue()	Returns an Object that is the value of this attribute.
Object	MBeanServer.instantiate(String className)	Instantiates an object using the list of all class loaders registered in the MBean server's Class Loader Repository.
Object	MBeanServer.instantiate(String className, Object[] params, String[] signature)	Instantiates an object using the list of all class loaders registered in the MBean server Class Loader Repository.
Object	MBeanServer.instantiate(String className, ObjectName loaderName)	Instantiates an object using the class Loader specified by its ObjectName.
Object	MBeanServer.instantiate(String className, ObjectName loaderName, Object[] params, String[] signature)	Instantiates an object.
Object	DynamicMBean.invoke(String actionName, Object[] params, String[] signature)	Allows an action to be invoked on the Dynamic MBean.
Object	MBeanServer.invoke(ObjectName name, String operationName, Object[] params, String[] signature)
Object	MBeanServerConnection.invoke(ObjectName name, String operationName, Object[] params, String[] signature)	Invokes an operation on an MBean.
Object	MBeanServerInvocationHandler.invoke(Object proxy, Method method, Object[] args)
Object	StandardMBean.invoke(String actionName, Object[] params, String[] signature)
Object	AttributeList.set(int index, Object element)	Replaces the element at the specified position in this list with the specified element.

Methods in javax.management with parameters of type Object

Modifier and Type	Method	Description
void	AttributeList.add(int index, Object element)	Inserts the specified element at the specified position in this list.
boolean	AttributeList.add(Object element)	Appends the specified element to the end of this list.
void	MBeanServer.addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback)	Adds a listener to a registered MBean.
void	MBeanServer.addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback)	Adds a listener to a registered MBean.
void	MBeanServerConnection.addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback)	Adds a listener to a registered MBean.
void	MBeanServerConnection.addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback)	Adds a listener to a registered MBean.
void	MBeanServerDelegate.addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
void	NotificationBroadcaster.addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Adds a listener to this MBean.
void	NotificationBroadcasterSupport.addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Adds a listener.
void	StandardEmitterMBean.addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
ObjectInstance	MBeanServer.createMBean(String className, ObjectName name, Object[] params, String[] signature)	Instantiates and registers an MBean in the MBean server.
ObjectInstance	MBeanServer.createMBean(String className, ObjectName name, ObjectName loaderName, Object[] params, String[] signature)	Instantiates and registers an MBean in the MBean server.
ObjectInstance	MBeanServerConnection.createMBean(String className, ObjectName name, Object[] params, String[] signature)	Instantiates and registers an MBean in the MBean server.
ObjectInstance	MBeanServerConnection.createMBean(String className, ObjectName name, ObjectName loaderName, Object[] params, String[] signature)	Instantiates and registers an MBean in the MBean server.
boolean	Attribute.equals(Object object)	Compares the current Attribute Object with another Attribute Object.
boolean	Descriptor.equals(Object obj)	Compares this descriptor to the given object.
boolean	ImmutableDescriptor.equals(Object o)	Compares this descriptor to the given object.
boolean	MBeanAttributeInfo.equals(Object o)	Compare this MBeanAttributeInfo to another.
boolean	MBeanConstructorInfo.equals(Object o)	Compare this MBeanConstructorInfo to another.
boolean	MBeanFeatureInfo.equals(Object o)	Compare this MBeanFeatureInfo to another.
boolean	MBeanInfo.equals(Object o)	Compare this MBeanInfo to another.
boolean	MBeanNotificationInfo.equals(Object o)	Compare this MBeanNotificationInfo to another.
boolean	MBeanOperationInfo.equals(Object o)	Compare this MBeanOperationInfo to another.
boolean	MBeanParameterInfo.equals(Object o)	Compare this MBeanParameterInfo to another.
boolean	MBeanPermission.equals(Object obj)	Checks two MBeanPermission objects for equality.
boolean	MBeanServerPermission.equals(Object obj)	Checks two MBeanServerPermission objects for equality.
boolean	ObjectInstance.equals(Object object)	Compares the current object instance with another object instance.
boolean	ObjectName.equals(Object object)	Compares the current object name with another object name.
protected MBeanConstructorInfo[]	StandardMBean.getConstructors(MBeanConstructorInfo[] ctors, Object impl)	Customization hook: Get the MBeanConstructorInfo[] that will be used in the MBeanInfo returned by this MBean.
protected void	NotificationBroadcasterSupport.handleNotification(NotificationListener listener, Notification notif, Object handback)	This method is called by sendNotification for each listener in order to send the notification to that listener.
void	NotificationListener.handleNotification(Notification notification, Object handback)	Invoked when a JMX notification occurs.
Object	MBeanServer.instantiate(String className, Object[] params, String[] signature)	Instantiates an object using the list of all class loaders registered in the MBean server Class Loader Repository.
Object	MBeanServer.instantiate(String className, ObjectName loaderName, Object[] params, String[] signature)	Instantiates an object.
Object	DynamicMBean.invoke(String actionName, Object[] params, String[] signature)	Allows an action to be invoked on the Dynamic MBean.
Object	MBeanServer.invoke(ObjectName name, String operationName, Object[] params, String[] signature)
Object	MBeanServerConnection.invoke(ObjectName name, String operationName, Object[] params, String[] signature)	Invokes an operation on an MBean.
Object	MBeanServerInvocationHandler.invoke(Object proxy, Method method, Object[] args)
Object	StandardMBean.invoke(String actionName, Object[] params, String[] signature)
ObjectInstance	MBeanServer.registerMBean(Object object, ObjectName name)	Registers a pre-existing object as an MBean with the MBean server.
void	MBeanServer.removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback)
void	MBeanServer.removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback)
void	MBeanServerConnection.removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback)	Removes a listener from a registered MBean.
void	MBeanServerConnection.removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback)	Removes a listener from a registered MBean.
void	MBeanServerDelegate.removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
void	NotificationBroadcasterSupport.removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
void	NotificationEmitter.removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Removes a listener from this MBean.
void	StandardEmitterMBean.removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
Object	AttributeList.set(int index, Object element)	Replaces the element at the specified position in this list with the specified element.
void	Descriptor.setField(String fieldName, Object fieldValue)	Sets the value for a specific field name.
final void	ImmutableDescriptor.setField(String fieldName, Object fieldValue)	This operation is unsupported since this class is immutable.
void	Descriptor.setFields(String[] fieldNames, Object[] fieldValues)	Sets all fields in the field names array to the new value with the same index in the field values array.
final void	ImmutableDescriptor.setFields(String[] fieldNames, Object[] fieldValues)	This operation is unsupported since this class is immutable.
void	StandardMBean.setImplementation(Object implementation)	Replace the implementation object wrapped in this object.
void	Notification.setSource(Object source)	Sets the source.
void	Notification.setUserData(Object userData)	Set the user data.

Constructors in javax.management with parameters of type Object

Modifier	Constructor	Description
	Attribute(String name, Object value)	Constructs an Attribute object which associates the given attribute name with the given value.
	AttributeChangeNotification(Object source, long sequenceNumber, long timeStamp, String msg, String attributeName, String attributeType, Object oldValue, Object newValue)	Constructs an attribute change notification object.
	BadAttributeValueExpException(Object val)	Constructs a BadAttributeValueExpException using the specified Object to create the toString() value.
	ImmutableDescriptor(String[] fieldNames, Object[] fieldValues)	Construct a descriptor containing the given fields and values.
	InvalidApplicationException(Object val)	Constructs an InvalidApplicationException with the specified Object.
	MBeanServerNotification(String type, Object source, long sequenceNumber, ObjectName objectName)	Creates an MBeanServerNotification object specifying object names of the MBeans that caused the notification and the specified notification type.
	Notification(String type, Object source, long sequenceNumber)	Creates a Notification object.
	Notification(String type, Object source, long sequenceNumber, long timeStamp)	Creates a Notification object.
	Notification(String type, Object source, long sequenceNumber, long timeStamp, String message)	Creates a Notification object.
	Notification(String type, Object source, long sequenceNumber, String message)	Creates a Notification object.

Uses of Object in javax.management.loading

Subclasses of Object in javax.management.loading

Modifier and Type	Class	Description
class	DefaultLoaderRepository	Deprecated. Use MBeanServer.getClassLoaderRepository() instead.
class	MLet	Deprecated, for removal: This API element is subject to removal in a future version. This API is part of Management Applets (m-lets), which is a legacy feature that allows loading of remote MBeans.
class	MLetContent	Deprecated, for removal: This API element is subject to removal in a future version. This API is part of Management Applets (m-lets), which is a legacy feature that allows loading of remote MBeans.
class	PrivateMLet	Deprecated, for removal: This API element is subject to removal in a future version. This API is part of Management Applets (m-lets), which is a legacy feature that allows loading of remote MBeans.

Methods in javax.management.loading that return types with arguments of type Object

Modifier and Type	Method	Description
Set<Object>	MLet.getMBeansFromURL(String url)	Deprecated, for removal: This API element is subject to removal in a future version. Loads a text file containing MLET tags that define the MBeans to be added to the MBean server.
Set<Object>	MLet.getMBeansFromURL(URL url)	Deprecated, for removal: This API element is subject to removal in a future version. Loads a text file containing MLET tags that define the MBeans to be added to the MBean server.
Set<Object>	MLetMBean.getMBeansFromURL(String url)	Deprecated, for removal: This API element is subject to removal in a future version. Loads a text file containing MLET tags that define the MBeans to be added to the MBean server.
Set<Object>	MLetMBean.getMBeansFromURL(URL url)	Deprecated, for removal: This API element is subject to removal in a future version. Loads a text file containing MLET tags that define the MBeans to be added to the MBean server.

Uses of Object in javax.management.modelmbean

Subclasses of Object in javax.management.modelmbean

Modifier and Type	Class	Description
class	DescriptorSupport	This class represents the metadata set for a ModelMBean element.
class	InvalidTargetObjectTypeException	Exception thrown when an invalid target object type is specified.
class	ModelMBeanAttributeInfo	The ModelMBeanAttributeInfo object describes an attribute of the ModelMBean.
class	ModelMBeanConstructorInfo	The ModelMBeanConstructorInfo object describes a constructor of the ModelMBean.
class	ModelMBeanInfoSupport	This class represents the meta data for ModelMBeans.
class	ModelMBeanNotificationInfo	The ModelMBeanNotificationInfo object describes a notification emitted by a ModelMBean.
class	ModelMBeanOperationInfo	The ModelMBeanOperationInfo object describes a management operation of the ModelMBean.
class	RequiredModelMBean	This class is the implementation of a ModelMBean.
class	XMLParseException	This exception is thrown when an XML formatted string is being parsed into ModelMBean objects or when XML formatted strings are being created from ModelMBean objects.

Methods in javax.management.modelmbean that return Object

Modifier and Type	Method	Description
Object	DescriptorSupport.clone()	Returns a new Descriptor which is a duplicate of the Descriptor.
Object	ModelMBeanAttributeInfo.clone()	Creates and returns a new ModelMBeanAttributeInfo which is a duplicate of this ModelMBeanAttributeInfo.
Object	ModelMBeanConstructorInfo.clone()	Creates and returns a new ModelMBeanConstructorInfo which is a duplicate of this ModelMBeanConstructorInfo.
Object	ModelMBeanInfo.clone()	Creates and returns a copy of this object.
Object	ModelMBeanInfoSupport.clone()	Returns a shallow clone of this instance.
Object	ModelMBeanNotificationInfo.clone()	Creates and returns a new ModelMBeanNotificationInfo which is a duplicate of this ModelMBeanNotificationInfo.
Object	ModelMBeanOperationInfo.clone()	Creates and returns a new ModelMBeanOperationInfo which is a duplicate of this ModelMBeanOperationInfo.
Object	RequiredModelMBean.getAttribute(String attrName)	Returns the value of a specific attribute defined for this ModelMBean.
Object	DescriptorSupport.getFieldValue(String fieldName)
Object[]	DescriptorSupport.getFieldValues(String... fieldNames)
Object	RequiredModelMBean.invoke(String opName, Object[] opArgs, String[] sig)	Invokes a method on or through a RequiredModelMBean and returns the result of the method execution.

Methods in javax.management.modelmbean with parameters of type Object

Modifier and Type	Method	Description
void	ModelMBeanNotificationBroadcaster.addAttributeChangeNotificationListener(NotificationListener listener, String attributeName, Object handback)	Registers an object which implements the NotificationListener interface as a listener.
void	RequiredModelMBean.addAttributeChangeNotificationListener(NotificationListener inlistener, String inAttributeName, Object inhandback)
void	RequiredModelMBean.addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Registers an object which implements the NotificationListener interface as a listener.
boolean	DescriptorSupport.equals(Object o)	Compares this descriptor to the given object.
Object	RequiredModelMBean.invoke(String opName, Object[] opArgs, String[] sig)	Invokes a method on or through a RequiredModelMBean and returns the result of the method execution.
void	RequiredModelMBean.removeNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
void	DescriptorSupport.setField(String fieldName, Object fieldValue)
void	DescriptorSupport.setFields(String[] fieldNames, Object[] fieldValues)
void	ModelMBean.setManagedResource(Object mr, String mr_type)	Sets the instance handle of the object against which to execute all methods in this ModelMBean management interface (MBeanInfo and Descriptors).
void	RequiredModelMBean.setManagedResource(Object mr, String mr_type)	Sets the instance handle of the object against which to execute all methods in this ModelMBean management interface (MBeanInfo and Descriptors).

Constructors in javax.management.modelmbean with parameters of type Object

Modifier	Constructor	Description
	DescriptorSupport(String[] fieldNames, Object[] fieldValues)	Constructor taking field names and field values.

Uses of Object in javax.management.monitor

Subclasses of Object in javax.management.monitor

Modifier and Type	Class	Description
class	CounterMonitor	Defines a monitor MBean designed to observe the values of a counter attribute.
class	GaugeMonitor	Defines a monitor MBean designed to observe the values of a gauge attribute.
class	Monitor	Defines the part common to all monitor MBeans.
class	MonitorNotification	Provides definitions of the notifications sent by monitor MBeans.
class	MonitorSettingException	Exception thrown by the monitor when a monitor setting becomes invalid while the monitor is running.
class	StringMonitor	Defines a monitor MBean designed to observe the values of a string attribute.

Methods in javax.management.monitor that return Object

Modifier and Type	Method	Description
Object	MonitorNotification.getDerivedGauge()	Gets the derived gauge of this monitor notification.
Object	MonitorNotification.getTrigger()	Gets the threshold/string (depending on the monitor type) that triggered off this monitor notification.

Uses of Object in javax.management.openmbean

Subclasses of Object in javax.management.openmbean

Modifier and Type	Class	Description
class	ArrayType<T>	The ArrayType class is the open type class whose instances describe all open data values which are n-dimensional arrays of open data values.
class	CompositeDataInvocationHandler	An InvocationHandler that forwards getter methods to a CompositeData.
class	CompositeDataSupport	The CompositeDataSupport class is the open data class which implements the CompositeData interface.
class	CompositeType	The CompositeType class is the open type class whose instances describe the types of CompositeData values.
class	InvalidKeyException	This runtime exception is thrown to indicate that a method parameter which was expected to be an item name of a composite data or a row index of a tabular data is not valid.
class	InvalidOpenTypeException	This runtime exception is thrown to indicate that the open type of an open data value is not the one expected.
class	KeyAlreadyExistsException	This runtime exception is thrown to indicate that the index of a row to be added to a tabular data instance is already used to refer to another row in this tabular data instance.
class	OpenDataException	This checked exception is thrown when an open type, an open data or an open MBean metadata info instance could not be constructed because one or more validity constraints were not met.
class	OpenMBeanAttributeInfoSupport	Describes an attribute of an open MBean.
class	OpenMBeanConstructorInfoSupport	Describes a constructor of an Open MBean.
class	OpenMBeanInfoSupport	The OpenMBeanInfoSupport class describes the management information of an open MBean: it is a subclass of MBeanInfo, and it implements the OpenMBeanInfo interface.
class	OpenMBeanOperationInfoSupport	Describes an operation of an Open MBean.
class	OpenMBeanParameterInfoSupport	Describes a parameter used in one or more operations or constructors of an open MBean.
class	OpenType<T>	The OpenType class is the parent abstract class of all classes which describe the actual open type of open data values.
final class	SimpleType<T>	The SimpleType class is the open type class whose instances describe all open data values which are neither arrays, nor CompositeData values, nor TabularData values.
class	TabularDataSupport	The TabularDataSupport class is the open data class which implements the TabularData and the Map interfaces, and which is internally based on a hash map data structure.
class	TabularType	The TabularType class is the open type class whose instances describe the types of TabularData values.

Methods in javax.management.openmbean that return Object

Modifier and Type	Method	Description
Object[]	TabularData.calculateIndex(CompositeData value)	Calculates the index that would be used in this TabularData instance to refer to the specified composite data value parameter if it were added to this instance.
Object[]	TabularDataSupport.calculateIndex(CompositeData value)	Calculates the index that would be used in this TabularData instance to refer to the specified composite data value parameter if it were added to this instance.
Object	TabularDataSupport.clone()	Returns a clone of this TabularDataSupport instance: the clone is obtained by calling super.clone(), and then cloning the underlying map.
Object	CompositeData.get(String key)	Returns the value of the item whose name is key.
Object	CompositeDataSupport.get(String key)	Returns the value of the item whose name is key.
Object	TabularDataSupport.get(Object key)	This method simply calls get((Object[]) key).
Object[]	CompositeData.getAll(String[] keys)	Returns an array of the values of the items whose names are specified by keys, in the same order as keys.
Object[]	CompositeDataSupport.getAll(String[] keys)	Returns an array of the values of the items whose names are specified by keys, in the same order as keys.
Object	OpenMBeanAttributeInfoSupport.getDefaultValue()	Returns the default value for the attribute described by this OpenMBeanAttributeInfoSupport instance, if specified, or null otherwise.
Object	OpenMBeanParameterInfo.getDefaultValue()	Returns the default value for this parameter, if it has one, or null otherwise.
Object	OpenMBeanParameterInfoSupport.getDefaultValue()	Returns the default value for the parameter described by this OpenMBeanParameterInfoSupport instance, if specified, or null otherwise.
Object	CompositeDataInvocationHandler.invoke(Object proxy, Method method, Object[] args)
Object	TabularDataSupport.put(Object key, Object value)	This method simply calls put((CompositeData) value) and therefore ignores its key parameter which can be null.
Object	SimpleType.readResolve()	Replace an object read from an ObjectInputStream with the unique instance for that value.
Object	TabularDataSupport.remove(Object key)	This method simply calls remove((Object[]) key).

Methods in javax.management.openmbean that return types with arguments of type Object

Modifier and Type	Method	Description
Set<Map.Entry<Object,Object>>	TabularDataSupport.entrySet()	Returns a collection view of the index to row mappings contained in this TabularDataSupport instance.
Set<Map.Entry<Object,Object>>	TabularDataSupport.entrySet()	Returns a collection view of the index to row mappings contained in this TabularDataSupport instance.
Set<Object>	TabularDataSupport.keySet()	Returns a set view of the keys contained in the underlying map of this TabularDataSupport instance used to index the rows.
Collection<Object>	TabularDataSupport.values()	Returns a collection view of the rows contained in this TabularDataSupport instance.

Methods in javax.management.openmbean with parameters of type Object

Modifier and Type	Method	Description
boolean	TabularData.containsKey(Object[] key)	Returns true if and only if this TabularData instance contains a CompositeData value (ie a row) whose index is the specified key.
boolean	TabularDataSupport.containsKey(Object key)	Returns true if and only if this TabularData instance contains a CompositeData value (ie a row) whose index is the specified key.
boolean	TabularDataSupport.containsKey(Object[] key)	Returns true if and only if this TabularData instance contains a CompositeData value (ie a row) whose index is the specified key.
boolean	CompositeData.containsValue(Object value)	Returns true if and only if this CompositeData instance contains an item whose value is value.
boolean	CompositeDataSupport.containsValue(Object value)	Returns true if and only if this CompositeData instance contains an item whose value is value.
boolean	TabularDataSupport.containsValue(Object value)	Returns true if and only if this TabularData instance contains the specified value.
boolean	ArrayType.equals(Object obj)	Compares the specified obj parameter with this ArrayType instance for equality.
boolean	CompositeData.equals(Object obj)	Compares the specified obj parameter with this CompositeData instance for equality.
boolean	CompositeDataSupport.equals(Object obj)	Compares the specified obj parameter with this CompositeDataSupport instance for equality.
boolean	CompositeType.equals(Object obj)	Compares the specified obj parameter with this CompositeType instance for equality.
boolean	OpenMBeanAttributeInfo.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanAttributeInfo instance for equality.
boolean	OpenMBeanAttributeInfoSupport.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanAttributeInfoSupport instance for equality.
boolean	OpenMBeanConstructorInfo.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanConstructorInfo instance for equality.
boolean	OpenMBeanConstructorInfoSupport.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanConstructorInfoSupport instance for equality.
boolean	OpenMBeanInfo.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanInfo instance for equality.
boolean	OpenMBeanInfoSupport.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanInfoSupport instance for equality.
boolean	OpenMBeanOperationInfo.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanOperationInfo instance for equality.
boolean	OpenMBeanOperationInfoSupport.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanOperationInfoSupport instance for equality.
boolean	OpenMBeanParameterInfo.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanParameterInfo instance for equality.
boolean	OpenMBeanParameterInfoSupport.equals(Object obj)	Compares the specified obj parameter with this OpenMBeanParameterInfoSupport instance for equality.
abstract boolean	OpenType.equals(Object obj)	Compares the specified obj parameter with this open type instance for equality.
boolean	SimpleType.equals(Object obj)	Compares the specified obj parameter with this SimpleType instance for equality.
boolean	TabularData.equals(Object obj)	Compares the specified obj parameter with this TabularData instance for equality.
boolean	TabularDataSupport.equals(Object obj)	Compares the specified obj parameter with this TabularDataSupport instance for equality.
boolean	TabularType.equals(Object obj)	Compares the specified obj parameter with this TabularType instance for equality.
CompositeData	TabularData.get(Object[] key)	Returns the CompositeData value whose index is key, or null if there is no value mapping to key, in this TabularData instance.
Object	TabularDataSupport.get(Object key)	This method simply calls get((Object[]) key).
CompositeData	TabularDataSupport.get(Object[] key)	Returns the CompositeData value whose index is key, or null if there is no value mapping to key, in this TabularData instance.
Object	CompositeDataInvocationHandler.invoke(Object proxy, Method method, Object[] args)
boolean	ArrayType.isValue(Object obj)	Tests whether obj is a value for this ArrayType instance.
boolean	CompositeType.isValue(Object obj)	Tests whether obj is a value which could be described by this CompositeType instance.
boolean	OpenMBeanAttributeInfoSupport.isValue(Object obj)	Tests whether obj is a valid value for the attribute described by this OpenMBeanAttributeInfoSupport instance.
boolean	OpenMBeanParameterInfo.isValue(Object obj)	Tests whether obj is a valid value for the parameter described by this OpenMBeanParameterInfo instance.
boolean	OpenMBeanParameterInfoSupport.isValue(Object obj)	Tests whether obj is a valid value for the parameter described by this OpenMBeanParameterInfo instance.
abstract boolean	OpenType.isValue(Object obj)	Tests whether obj is a value for this open type.
boolean	SimpleType.isValue(Object obj)	Tests whether obj is a value for this SimpleType instance.
boolean	TabularType.isValue(Object obj)	Tests whether obj is a value which could be described by this TabularType instance.
Object	TabularDataSupport.put(Object key, Object value)	This method simply calls put((CompositeData) value) and therefore ignores its key parameter which can be null.
CompositeData	TabularData.remove(Object[] key)	Removes the CompositeData value whose index is key from this TabularData instance, and returns the removed value, or returns null if there is no value whose index is key.
Object	TabularDataSupport.remove(Object key)	This method simply calls remove((Object[]) key).
CompositeData	TabularDataSupport.remove(Object[] key)	Removes the CompositeData value whose index is key from this TabularData instance, and returns the removed value, or returns null if there is no value whose index is key.

Constructors in javax.management.openmbean with parameters of type Object

Modifier	Constructor	Description
	CompositeDataSupport(CompositeType compositeType, String[] itemNames, Object[] itemValues)	Constructs a CompositeDataSupport instance with the specified compositeType, whose item values are specified by itemValues[], in the same order as in itemNames[].
	OpenMBeanAttributeInfoSupport(String name, String description, OpenType<T> openType, boolean isReadable, boolean isWritable, boolean isIs, T defaultValue, T[] legalValues)	Constructs an OpenMBeanAttributeInfoSupport instance, which describes the attribute of an open MBean with the specified name, openType, description, defaultValue and legalValues, and the specified read/write access properties.
	OpenMBeanParameterInfoSupport(String name, String description, OpenType<T> openType, T defaultValue, T[] legalValues)	Constructs an OpenMBeanParameterInfoSupport instance, which describes the parameter used in one or more operations or constructors of a class of open MBeans, with the specified name, openType, description, defaultValue and legalValues.

Uses of Object in javax.management.relation

Subclasses of Object in javax.management.relation

Modifier and Type	Class	Description
class	InvalidRelationIdException	This exception is raised when relation id provided for a relation is already used.
class	InvalidRelationServiceException	This exception is raised when an invalid Relation Service is provided.
class	InvalidRelationTypeException	Invalid relation type.
class	InvalidRoleInfoException	This exception is raised when, in a role info, its minimum degree is greater than its maximum degree.
class	InvalidRoleValueException	Role value is invalid.
class	MBeanServerNotificationFilter	Filter for MBeanServerNotification.
class	RelationException	This class is the superclass of any exception which can be raised during relation management.
class	RelationNotFoundException	This exception is raised when there is no relation for a given relation id in a Relation Service.
class	RelationNotification	A notification of a change in the Relation Service.
class	RelationService	The Relation Service is in charge of creating and deleting relation types and relations, of handling the consistency and of providing query mechanisms.
class	RelationServiceNotRegisteredException	This exception is raised when an access is done to the Relation Service and that one is not registered.
class	RelationSupport	A RelationSupport object is used internally by the Relation Service to represent simple relations (only roles, no properties or methods), with an unlimited number of roles, of any relation type.
class	RelationTypeNotFoundException	This exception is raised when there is no relation type with given name in Relation Service.
class	RelationTypeSupport	A RelationTypeSupport object implements the RelationType interface.
class	Role	Represents a role: includes a role name and referenced MBeans (via their ObjectNames).
class	RoleInfo	A RoleInfo object summarises a role in a relation type.
class	RoleInfoNotFoundException	This exception is raised when there is no role info with given name in a given relation type.
class	RoleList	A RoleList represents a list of roles (Role objects).
class	RoleNotFoundException	This exception is raised when a role in a relation does not exist, or is not readable, or is not settable.
class	RoleResult	Represents the result of a multiple access to several roles of a relation (either for reading or writing).
class	RoleStatus	This class describes the various problems which can be encountered when accessing a role.
class	RoleUnresolved	Represents an unresolved role: a role not retrieved from a relation due to a problem.
class	RoleUnresolvedList	A RoleUnresolvedList represents a list of RoleUnresolved objects, representing roles not retrieved from a relation due to a problem encountered when trying to access (read or write) the roles.

Methods in javax.management.relation that return Object

Modifier and Type	Method	Description
Object	Role.clone()	Clone the role object.
Object	RoleUnresolved.clone()	Clone this object.

Methods in javax.management.relation with parameters of type Object

Modifier and Type	Method	Description
void	RelationService.handleNotification(Notification notif, Object handback)	Invoked when a JMX notification occurs.

Constructors in javax.management.relation with parameters of type Object

Modifier	Constructor	Description
	RelationNotification(String notifType, Object sourceObj, long sequence, long timeStamp, String message, String id, String typeName, ObjectName objectName, String name, List<ObjectName> newValue, List<ObjectName> oldValue)	Creates a notification for a role update in a relation.
	RelationNotification(String notifType, Object sourceObj, long sequence, long timeStamp, String message, String id, String typeName, ObjectName objectName, List<ObjectName> unregMBeanList)	Creates a notification for either a relation creation (RelationSupport object created internally in the Relation Service, or an MBean added as a relation) or for a relation removal from the Relation Service.

Uses of Object in javax.management.remote

Subclasses of Object in javax.management.remote

Modifier and Type	Class	Description
class	JMXConnectionNotification	Notification emitted when a client connection is opened or closed or when notifications are lost.
class	JMXConnectorFactory	Factory to create JMX API connector clients.
class	JMXConnectorServer	Superclass of every connector server.
class	JMXConnectorServerFactory	Factory to create JMX API connector servers.
class	JMXPrincipal	The identity of a remote client of the JMX Remote API.
class	JMXProviderException	Exception thrown by JMXConnectorFactory and JMXConnectorServerFactory when a provider exists for the required protocol but cannot be used for some reason.
class	JMXServerErrorException	Exception thrown as the result of a remote MBeanServer method invocation when an Error is thrown while processing the invocation in the remote MBean server.
class	JMXServiceURL	The address of a JMX API connector server.
class	NotificationResult	Result of a query for buffered notifications.
final class	SubjectDelegationPermission	Permission required by an authentication identity to perform operations on behalf of an authorization identity.
class	TargetedNotification	A (Notification, Listener ID) pair.

Methods in javax.management.remote with parameters of type Object

Modifier and Type	Method	Description
void	JMXConnector.addConnectionNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)	Adds a listener to be informed of changes in connection status.
Subject	JMXAuthenticator.authenticate(Object credentials)	Authenticates the MBeanServerConnection client with the given client credentials.
protected void	JMXConnectorServer.connectionClosed(String connectionId, String message, Object userData)	Called by a subclass when a client connection is closed normally.
protected void	JMXConnectorServer.connectionFailed(String connectionId, String message, Object userData)	Called by a subclass when a client connection fails.
protected void	JMXConnectorServer.connectionOpened(String connectionId, String message, Object userData)	Called by a subclass when a new client connection is opened.
boolean	JMXPrincipal.equals(Object o)	Compares the specified Object with this JMXPrincipal for equality.
boolean	JMXServiceURL.equals(Object obj)	Indicates whether some other object is equal to this one.
void	JMXConnector.removeConnectionNotificationListener(NotificationListener l, NotificationFilter f, Object handback)	Removes a listener from the list to be informed of changes in status.

Constructors in javax.management.remote with parameters of type Object

Modifier	Constructor	Description
	JMXConnectionNotification(String type, Object source, String connectionId, long sequenceNumber, String message, Object userData)	Constructs a new connection notification.

Uses of Object in javax.management.remote.rmi

Subclasses of Object in javax.management.remote.rmi

Modifier and Type	Class	Description
class	RMIConnectionImpl	Implementation of the RMIConnection interface.
final class	RMIConnectionImpl_Stub	RMIConnectionImpl remote stub.
class	RMIConnector	A connection to a remote RMI connector.
class	RMIConnectorServer	A JMX API connector server that creates RMI-based connections from remote clients.
class	RMIJRMPServerImpl	An RMIServer object that is exported through JRMP and that creates client connections as RMI objects exported through JRMP.
class	RMIServerImpl	An RMI object representing a connector server.
final class	RMIServerImpl_Stub	RMIServerImpl remote stub.

Methods in javax.management.remote.rmi that return Object

Modifier and Type	Method	Description
Object	RMIConnection.getAttribute(ObjectName name, String attribute, Subject delegationSubject)	Handles the method MBeanServerConnection.getAttribute(ObjectName, String).
Object	RMIConnectionImpl_Stub.getAttribute(ObjectName $param_ObjectName_1, String $param_String_2, Subject $param_Subject_3)
Object	RMIConnectionImpl.getAttribute(ObjectName name, String attribute, Subject delegationSubject)
Object	RMIConnection.invoke(ObjectName name, String operationName, MarshalledObject params, String[] signature, Subject delegationSubject)	Handles the method MBeanServerConnection.invoke(ObjectName, String, Object[], String[]).
Object	RMIConnectionImpl_Stub.invoke(ObjectName $param_ObjectName_1, String $param_String_2, MarshalledObject $param_MarshalledObject_3, String[] $param_arrayOf_String_4, Subject $param_Subject_5)
Object	RMIConnectionImpl.invoke(ObjectName name, String operationName, MarshalledObject params, String[] signature, Subject delegationSubject)

Methods in javax.management.remote.rmi with parameters of type Object

Modifier and Type	Method	Description
void	RMIConnector.addConnectionNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
RMIConnection	RMIServer.newClient(Object credentials)	Makes a new connection through this RMI connector.
RMIConnection	RMIServerImpl_Stub.newClient(Object $param_Object_1)
RMIConnection	RMIServerImpl.newClient(Object credentials)	Creates a new client connection.
void	RMIConnector.removeConnectionNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)

Uses of Object in javax.management.timer

Subclasses of Object in javax.management.timer

Modifier and Type	Class	Description
class	Timer	Provides the implementation of the timer MBean.
class	TimerNotification	This class provides definitions of the notifications sent by timer MBeans.

Methods in javax.management.timer that return Object

Modifier and Type	Method	Description
Object	Timer.getNotificationUserData(Integer id)	Gets the timer notification user data object corresponding to the specified identifier.
Object	TimerMBean.getNotificationUserData(Integer id)	Gets the timer notification user data object corresponding to the specified identifier.

Methods in javax.management.timer with parameters of type Object

Modifier and Type	Method	Description
Integer	Timer.addNotification(String type, String message, Object userData, Date date)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date and a null period and number of occurrences.
Integer	Timer.addNotification(String type, String message, Object userData, Date date, long period)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date and period and a null number of occurrences.
Integer	Timer.addNotification(String type, String message, Object userData, Date date, long period, long nbOccurences)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date, period and number of occurrences.
Integer	Timer.addNotification(String type, String message, Object userData, Date date, long period, long nbOccurences, boolean fixedRate)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date, period and number of occurrences.
Integer	TimerMBean.addNotification(String type, String message, Object userData, Date date)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date and a null period and number of occurrences.
Integer	TimerMBean.addNotification(String type, String message, Object userData, Date date, long period)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date and period and a null number of occurrences.
Integer	TimerMBean.addNotification(String type, String message, Object userData, Date date, long period, long nbOccurences)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date, period and number of occurrences.
Integer	TimerMBean.addNotification(String type, String message, Object userData, Date date, long period, long nbOccurences, boolean fixedRate)	Creates a new timer notification with the specified type, message and userData and inserts it into the list of notifications with a given date, period and number of occurrences.

Constructors in javax.management.timer with parameters of type Object

Modifier	Constructor	Description
	TimerNotification(String type, Object source, long sequenceNumber, long timeStamp, String msg, Integer id)	Creates a timer notification object.

Uses of Object in javax.naming

Subclasses of Object in javax.naming

Modifier and Type	Class	Description
class	AuthenticationException	This exception is thrown when an authentication error occurs while accessing the naming or directory service.
class	AuthenticationNotSupportedException	This exception is thrown when the particular flavor of authentication requested is not supported.
class	BinaryRefAddr	This class represents the binary form of the address of a communications end-point.
class	Binding	This class represents a name-to-object binding found in a context.
class	CannotProceedException	This exception is thrown to indicate that the operation reached a point in the name where the operation cannot proceed any further.
class	CommunicationException	This exception is thrown when the client is unable to communicate with the directory or naming service.
class	CompositeName	This class represents a composite name -- a sequence of component names spanning multiple namespaces.
class	CompoundName	This class represents a compound name -- a name from a hierarchical name space.
class	ConfigurationException	This exception is thrown when there is a configuration problem.
class	ContextNotEmptyException	This exception is thrown when attempting to destroy a context that is not empty.
class	InitialContext	This class is the starting context for performing naming operations.
class	InsufficientResourcesException	This exception is thrown when resources are not available to complete the requested operation.
class	InterruptedNamingException	This exception is thrown when the naming operation being invoked has been interrupted.
class	InvalidNameException	This exception indicates that the name being specified does not conform to the naming syntax of a naming system.
class	LimitExceededException	This exception is thrown when a method terminates abnormally due to a user or system specified limit.
class	LinkException	This exception is used to describe problems encountered while resolving links.
class	LinkLoopException	This exception is thrown when a loop was detected while attempting to resolve a link, or an implementation specific limit on link counts has been reached.
class	LinkRef	This class represents a Reference whose contents is a name, called the link name, that is bound to an atomic name in a context.
class	MalformedLinkException	This exception is thrown when a malformed link was encountered while resolving or constructing a link.
class	NameAlreadyBoundException	This exception is thrown by methods to indicate that a binding cannot be added because the name is already bound to another object.
class	NameClassPair	This class represents the object name and class name pair of a binding found in a context.
class	NameNotFoundException	This exception is thrown when a component of the name cannot be resolved because it is not bound.
class	NamingException	This is the superclass of all exceptions thrown by operations in the Context and DirContext interfaces.
class	NamingSecurityException	This is the superclass of security-related exceptions thrown by operations in the Context and DirContext interfaces.
class	NoInitialContextException	This exception is thrown when no initial context implementation can be created.
class	NoPermissionException	This exception is thrown when attempting to perform an operation for which the client has no permission.
class	NotContextException	This exception is thrown when a naming operation proceeds to a point where a context is required to continue the operation, but the resolved object is not a context.
class	OperationNotSupportedException	This exception is thrown when a context implementation does not support the operation being invoked.
class	PartialResultException	This exception is thrown to indicate that the result being returned or returned so far is partial, and that the operation cannot be completed.
class	RefAddr	This class represents the address of a communications end-point.
class	Reference	This class represents a reference to an object that is found outside of the naming/directory system.
class	ReferralException	This abstract class is used to represent a referral exception, which is generated in response to a referral such as that returned by LDAP v3 servers.
class	ServiceUnavailableException	This exception is thrown when attempting to communicate with a directory or naming service and that service is not available.
class	SizeLimitExceededException	This exception is thrown when a method produces a result that exceeds a size-related limit.
class	StringRefAddr	This class represents the string form of the address of a communications end-point.
class	TimeLimitExceededException	This exception is thrown when a method does not terminate within the specified time limit.

Fields in javax.naming declared as Object

Modifier and Type	Field	Description
protected Object	LinkException.linkResolvedObj	Contains the object to which resolution of the part of the link was successful.
protected Object	NamingException.resolvedObj	Contains the object to which resolution of the part of the name was successful.

Fields in javax.naming with type parameters of type Object

Modifier and Type	Field	Description
protected Hashtable<Object,Object>	InitialContext.myProps	The environment associated with this InitialContext.
protected Hashtable<Object,Object>	InitialContext.myProps	The environment associated with this InitialContext.

Methods in javax.naming that return Object

Modifier and Type

Method

Description

Object

Context.addToEnvironment(String propName, Object propVal)

Adds a new environment property to the environment of this context.

Object

InitialContext.addToEnvironment(String propName, Object propVal)

Object

CompositeName.clone()

Generates a copy of this composite name.

Object

CompoundName.clone()

Creates a copy of this compound name.

Object

Name.clone()

Generates a new copy of this name.

Object

Reference.clone()

Makes a copy of this reference using its class name list of addresses, class factory name and class factory location.

Object

BinaryRefAddr.getContent()

Retrieves the contents of this address as an Object.

abstract Object

RefAddr.getContent()

Retrieves the contents of this address.

Object

StringRefAddr.getContent()

Retrieves the contents of this address.

Object

LinkException.getLinkResolvedObj()

Retrieves the object to which resolution was successful.

Object

Binding.getObject()

Retrieves the object bound to the name of this binding.

abstract Object

ReferralException.getReferralInfo()

Retrieves information (such as URLs) related to this referral.

Object

NamingException.getResolvedObj()

Retrieves the object to which resolution was successful.

Object

Context.lookup(String name)

Retrieves the named object.

O