Answer Posted / nagarjuna reddy

Because of JVM java became platform independent.after
creating object file,the object file is given to JVM which
consists of 200 instructions called "byte code instructions".
JVM will convert the object file instructions into machine
code instructions that are understandable to particular
processor on which instructions have to be executed.so jvm
converting the instructions depending upon the Os &
processor,but java compiler will not creating an object file
depending upon the current processor.
so this object file will execute at any where irrespective
of the processor or operating system.
so we can say that JVM is platform dependent,why because it
has to create machinecode inst's of that(current) processor
or OS.
Java is platform independent, why because object file
created by java compiler will execute on any platform
because of JVM.

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