INTERVIEW QUESTIONS J2EE J2SE DETAILS

Question: What is abstract class ?

Answer: A class that contains one or more abstract methods, and therefore can never be instantiated. Abstract classes are defined so that other classes can extend them and make them concrete by implementing the abstract methods.

A class that contains one or more abstract methods, and therefore can never be instantiated. Abstract classes are defined so that other classes can extend them and make them concrete by implementing the abstract methods. Source: CoolInterview.com

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