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What are abstract classes and methods in object-oriented programming?
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Answer / Vijay Singh
An abstract class is a class that cannot be instantiated directly but is intended to provide a superclass for other classes to inherit from. It may contain one or more abstract methods, which are methods without an implementation that must be provided by any concrete subclasses. In SAP OO-ABAP, you can define an abstract class using the 'abstract' keyword and an abstract method with the 'abstract' modifier.
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