C++ requires that a copy constructor's parameter be a(n)
A) integer data type
B) floating-point data type
C) pointer variable
D) reference object
E) None of these

Question

Quizplus · Accepted Answer

C++ requires that a copy constructor's parameter be a reference object as the copy constructor is used to create a new object from an existing object, and passing the object by reference avoids unnecessary copying of the object.

C++ Requires That a Copy Constructor's Parameter Be A(n)