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JVM -SLOWS THINGS DOWN ?

 
Greenhorn
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Hi
I got quick reply to my first query regarding JVM.
I read in a book saying that the JVM really slows the things down. is it so ?
And when does the just-in-time compiler tool comes into act ?
What is this just-in-time compiler tool ?
 
"The Hood"
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The JVM really slows things down compared to what??? If you are running Java, you NEED a JVM of some sort.
Perhaps your question is more about "Java being slower" rather than the "JVM being slower"???
 
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