Which of the following is not true of a class that will be used to instantiate function objects?
A) It must overload the parentheses operator.
B) It can have data members.
C) It must be a concrete class.
D) All of the above are true about a class that will be used to instantiate function objects.

Question

Quizplus · Accepted Answer

All the statements A, B, and C are true regarding a class used to instantiate function objects. A) It must overload the parentheses operator to be callable like a function. B) It can have data members to store state. C) It must be a concrete class because abstract classes cannot be instantiated.

Which of the Following Is Not True of a Class