When a copy constructor is called?

A)  When an object of the class is returned by value
B)  When an object of the class is passed by value to a function
C)  When an object is constructed based on another object of the same class
D)  All of the above

Correct Answer :   All of the above

Explanation : Copy constructor is called in all the above-mentioned criteria because in all the above cases we are somehow trying to copy one object into another.

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