When a virtual member function of a class in a class hierarchy is invoked through a pointer to an object in the class hierarchy, the compiler will select the member function to be invoked
A) from the class of the type of the pointer.
B) from the class of the object that is pointed to.
C) from the base class of the inheritance hierarchy.
D) from the derived class of the base pointer object.
E) None of the above

Question

Quizplus · Accepted Answer

When a virtual member function of a class in a class hierarchy is invoked through a pointer to an object in the class hierarchy, the compiler will select the member function to be invoked from the class of the object that is pointed to. This is because virtual functions are resolved at runtime based on the actual type of the object being pointed to, rather than the type of the pointer. Therefore, the correct answer is B).

When a Virtual Member Function of a Class in a Class