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optional machine code generation

 
Krishna Chaitanya Mannem
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In java language specification 7, page 1 there is this paragraph.

Run-time activities include loading and linking of the classes needed to execute
a program, optional machine code generation and dynamic optimization of the
program, and actual program execution.

Can anyone please explain what it means.
 
Campbell Ritchie
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Welcome to the Ranch

I think it means just in time optimisation. Try this Wikipedia article:- Just-in-time_compilation. I hope that will explain it for you.
 
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