what is jvm? how can it is useful in java?

Answer Posted / ashok ramchandnai

JVM is used to run java byte code. JVM is the one that takes java byte code and converts into machine specific instructions.
User compiles a java program and creates .class file that is nothing but the byte code and can be run on any of the machine that contains a jvm.
JVM takes this byte code and execute the programme.

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