What is a copy constructor?

[anshika-sharma-ac2988d4 (Anshika Sharma)]

What is a copy constructor?

[sakshi-srivastava-f3c2a4a4 (Sakshi Srivastava)]

Copy Constructor is a type of constructor which is used to create a copy of the already existing object of a class. It is used when we want data members of one object is initialized by the values of the data members of another.

Syntax: ClassName (const ClassName &old_obj);