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What is the difference between pass by reference and pass by
value?
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Answer Posted / anwer sayed
Pass By Reference :
In Pass by reference address of the variable is passed to a
function. Whatever changes made to the formal parameter will
affect to the actual parameters
- Same memory location is used for both variables.(Formal
and Actual)-
- it is useful when you required to return more then 1 values
Pass By Value:
- In this method value of the variable is passed. Changes
made to formal will not affect the actual parameters.
- Different memory locations will be created for both variables.
Read more:
http://wiki.answers.com/Q/What_is_the_difference_between_pass_by_value_and_pass_by_reference_in_c#ixzz16MOpWSLk
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