What mistake prevents the following class declaration from functioning properly as an abstract class? class Shape
{
Public:
Virtual double print() const;
Double area() const {return base * height;}
Private:
Double base;
Double height;
};
A) There are no pure virtual functions.
B) There is a non-virtual function.
C) private variables are being accessed by a public function.
D) Nothing, it functions fine as an abstract class.

Question

Quizplus · Accepted Answer

An abstract class must have at least one pure virtual function, which is missing in the declaration of the Shape class. The print() function is virtually declared but not pure virtual, so this class cannot be instantiated.

What Mistake Prevents the Following Class Declaration from Functioning Properly