C# Call by Reference1 min read

Here reference refers t the addresses but not the actual value. In this method, we pass the reference of the argument to the formal parameter. To pass the parameters in C#, we have a keyword called ref.

It passes a reference to a memory location rather the actual value, so the changes made to this passed parameters are reflected o the main program that is their value can be modified permanently.


Example: C# call by reference

Output:

Unlike call by value (from the previous tutorial), the swapped value of a and b can be seen in the output above.


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