How the JVM Works: From Bytecode to Native Code

A clear, practical walk through how the Java Virtual Machine loads, verifies, executes, and optimizes your code at runtime - You write a .java file, hit run, and a few moments later your program is alive. Between those two moments a surprising amount of machinery kicks in. Your human-readable code gets turned into a compact instruction set, loaded into memory, checked for safety, and then run by…