Aclass that implements an interface but does not declare all of the interface's methods must be declared ________.
A) public.
B) interface.
C) abstract.
D) final.

Question

Quizplus · Accepted Answer

If a class implements an interface but does not declare all of the interface's methods, then the class must be declared abstract. This is because abstract classes can have abstract methods that are not implemented in the class itself, but in its subclasses.

Aclass That Implements an Interface but Does Not Declare All