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final keyword

 
Greenhorn
Posts: 6
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Can any one explain me the use of 'final' variable?
eg: final int i=10;

What is the role of the keyword 'final'?

Also if I declare,
final Vector v v= new Vector(10);

Can I add elements to Vector now after declaring it with 'final'?

Thanks in advance,
Swapna
 
author & internet detective
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Swapna,
"final" means that the variable reference cannot be changed. This means I cannot do:


You can call methods on a final variable which means this is allowed:
 
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