Which of the following statements about an interface is true?
A)An interface has both public and private methods.
B)An interface has methods and instance variables.
C)An interface has methods but no instance variables.
D)An interface has neither methods nor instance variables.

Question

Quizplus · Accepted Answer

An interface in Java only specifies abstract methods, but not instance variables. It cannot have any concrete implementation of the methods it declares.

Which of the Following Statements About an Interface Is True