Programme Code : BCA
Course Code : cs-72
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Year : 2013 Views: 754 Submitted By : abhinav sharma On 15th March, 2013

Do you have solution for this Question. If yes    I aslo want solution.

Q.


What is call by value in the context of C++? Explain with the help of an example. What is the problem associate with the swap function that tries to exchange the values of two variables using the third variable and using call by value in a calling program. What are the two different ways you can remedy the problem such that swap function is able to change the values of two variables in the calling function.


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