Whenever you create the instance of subclass, an instance of parent class is created implicitly i.e. referred by super reference variable.



What is an abstract class? - Answers-An abstract class is a class that is declared abstract—it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed.



Abstract classes are good for defining global definitions for your inherited classes, so you only need to define these definitions once.



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