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Complete IIT AIEEE ICSE ISC PMT help forum

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Anu..i luv icse...:)
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Anu..i luv icse...:)


comp!! Vide
PostSubject: comp!! comp!! EmptyTue Mar 03, 2009 4:07 pm

hey...today i was seeing the model paper....plz tell the answers for the following:

what is reference variable?
what is byte code?
what is the function of the keyword final?
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Candy
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PostSubject: Re: comp!! comp!! EmptyWed Mar 04, 2009 3:06 pm

A ref. variable(ref. var.) is another name of a memory location . Actually a memory location which stores the actual value can be accessed by different references (refrence variables) . Any change of value in ref. var. will be reflected in the original memory location . In java , all refrence data- types- objects and arrays are passed to the function by refrence .
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Boris
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Boris


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PostSubject: Re: comp!! comp!! EmptyWed Mar 04, 2009 4:43 pm

Bytecode is a highly optimized set of instructions designed to be executed by the Java Runtime System - Java Virtual Machine(JVM).

The JVM is an enterpreteur for the bytecode
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Arya Nair
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Arya Nair


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PostSubject: Re: comp!! comp!! EmptyWed Mar 04, 2009 6:36 pm

when a variable is declared final, it's value cannot change again. when a class is declared final, it cannot be inherited by any other class even if you use the extends keyword.

thanks for the other answers.
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Anu..i luv icse...:)
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comp!! Vide
PostSubject: Re: comp!! comp!! EmptyWed Mar 04, 2009 8:14 pm

thnx...
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Arya Nair
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PostSubject: Re: comp!! comp!! EmptyThu Mar 05, 2009 8:51 am

welcome
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