____ classes cannot be instantiated. ____ classes cannot be inherited.
A) Abstract, Sealed
B) Sealed. Abstract
C) Abstract, Abstract
D) Sealed, Sealed

Question

Quizplus · Accepted Answer

Abstract classes cannot be instantiated as they are incomplete classes that have some unimplemented methods that need to be defined by the derived class. Sealed classes cannot be inherited as they are intended to be used as leaf classes in the class hierarchy and should not be extended further. Therefore, the correct answer is Option A) Abstract, Sealed.

____ Classes Cannot Be Instantiated