1.

Which one of the following classes is used to define concrete methods and declare methods without anyimplementation?a. Subclassb. Superclassc.Abstract classd. Final class​

Answer»

ANSWER:

c) Abstract CLASS

Explanation:

Because, Each abstract class must have a CONCRETE subclass which will implement the abstract methods of that abstract class.

A class that is DECLARED using “abstract” keyword is known as abstract class. It can have abstract methods methods without BODY as well as concrete methods regular methods with body.

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