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1. Magic Number The first four bytes of the class file is the magic number. This is a predefined value used by JVM to identify a .class file is generated by the valid compiler or not. The value should be "OXCAFEBABE". Note:- Whenever we are executing a java class if . . . Read more
JVM Architecture: Overview of JVM and JVM Architecture Class loader Subsystem The class loader subsystem is used for loading/reading the .class file and saving the bytecode in the JVM method area. ClassLoader is responsible for loading class files from file system, network or any other source. There is three default . . . Read more