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Class Loading Subsystem Role of the Class Loader Responsible for loading class files from file systems or networks Class loading is distinct from execution, which is handled by the Execution Engine Loaded class metadata is stored in the Method Area Class Loading Process Consider the following simple Java class: public class HelloLoader { ...

Execution Engine Overview The execution engine constitutes one of the core components of the Java Virtual Machine. Unlike physical machines whose execution engines are built directly upon processors, caches, instruction sets, and operating systems, JVM execution engines are software-based implementations. This design enables customization of in ...