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pass by value and pass by reference

 
Greenhorn
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What is really mean by pass by value and pass by reference. Is java using both methods. How can we identify these two methods. and what is the most appropriate method?
Can anyone help me please with a example.. thank you. :
 
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Check this FAQ.
 
MohamedSalim malik
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Thank you. :
 
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Lots of people get confused about that; have a look at this old discussion.
 
Don't get me started about those stupid light bulbs.
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