What is pass by reference in programming?
Pass by reference means passing the reference of an argument in the calling function to the corresponding formal parameter of the called function.
Can you give me an example of pass by reference?
Sure! In languages like C++, if you pass a variable to a function by reference, any changes made to that variable inside the function will affect the original variable.
What are the advantages of using pass by reference?
The main advantages are efficiency, as it avoids copying large data structures, and the ability to modify the original data.
Are there any disadvantages?
Yes, it can lead to unintended side effects if the original data is modified unexpectedly.
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