When the address of actual parameter is passed to the formal parameter then it is called pass by reference.
If changes have been made to formal parameter then it also changes the actual parameter. Actual parameters do not have their own memory.
For example: Following is the example of pass by reference:
If changes have been made to formal parameter then it also changes the actual parameter. Actual parameters do not have their own memory.
For example: Following is the example of pass by reference:
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