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why jvm is called virtulal machine

venkateswara rao
Greenhorn

Joined: Aug 17, 2001
Posts: 8
can you justify this
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Sean MacLean
author
Ranch Hand

Joined: Nov 07, 2000
Posts: 621
This is not really an "advanced" question so I'm moving it to Java In General (beginner).
Guy Reynolds
Ranch Hand

Joined: Oct 27, 2000
Posts: 61
Java strives to be "compile once". Which means it has to have a way of having a common environment or "machine" for it's compiled code to run on. The JVM is this "machine" and since it doesn't really exist, but is the result of a program running on the "real" machine, it is virtual. Hence the title Virtual Machine... for Java: JVM.
 
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