Which of the following statements about interfaces is false?
A)An interface describes a set of methods that can be called on an object,providing a default implementation for the methods.
B)An interface describes a set of methods that can be called on an object,not providing concrete implementation for the methods.
C)Interfaces are useful when attempting to assign common functionality to possibly unrelated classes.
D)Once a class implements an interface,all objects of that class have an is-a relationship with the interface type.

Question

Quizplus · Accepted Answer

Option A is false as interfaces do not provide default implementations for the methods they describe. It is up to the implementing class to provide concrete implementations for those methods.

Which of the Following Statements About Interfaces Is False