Which is true?

A) “X extends Y” is correct if and only if X is a class and Y is an interface

B) “X extends Y” is correct if and only if X is a class and Y is an interface

C) “X extends Y” is correct if X and Y are either both classes or both interfaces

D) “X extends Y” is correct for all combinations of X and Y being classes and/or interfaces

View Answer
Option – C.

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