[PDF] abstract class in sap abap oops

Abstract Class is a special type of class which has at least one abstract method. Abstract method is that method which has only definition, this means it does not contain implementation of the method Only a Declaration. We can create object of only subclass of Abstract Class.
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  • What is abstract class in OOPs?

    An abstract class is a class that contains at least one abstract method. An abstract method is a method that is declared, but not implemented in the code.

  • Why use abstract class in OOP?

    One of the fundamental concepts in OOP is the abstract class. Abstract classes cannot be instantiated and are designed to be subclassed. They are used to provide some common functionality across a set of related classes while also allowing default method implementations.

  • What is the difference between abstract class and final class in ABAP?

    Abstract classes cannot be instantiated. A final method cannot be redefined in a subclass. Final classes cannot have subclasses. They conclude an inheritance tree.
  • Abstract class is a base class. Cannot create instance whether it may be base class or not. But in polymorphism, we can create instance to base class. In abstract class, we use abstract keyword to method but in polymorphism uses virtual keyword to base class method.
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