Object Oriented Programming in Java: Attend class lecturers from home by Vaskaran Sarcar

Author:Vaskaran Sarcar [Sarcar, Vaskaran]
Language: eng
Format: epub
Published: 2015-12-20T23:00:00+00:00

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Students ask:

Suppose in a class we have 50+ methods and out of that only one is an abstract method. Still we need to mark the class as abstract?

Yes. If a class contains at least one abstract method, the class itself is abstract. You can think from a general point of view-an abstract keyword is used in a sense to represent the incompleteness. So, if your class contains one incomplete method, your class itself is incomplete and hence need to mark by the keyword abstract.

So, the simple formula is: whenever your class has at least an abstract method, your class itself is an abstract class.

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