What Are Abstract Functions
An Abstract Function Is “Just” a Signature, Without an Implementation. It Is Used in an Interface to Declare How the Class Can Be Used. It Must Be Implemented...
An abstract function is “just” a signature, without an implementation. It is used in an interface to declare how the class can be used. It must be implemented in one of the derived classes.
What is an abstract function in C++?
A pure virtual function (or abstract function) in C++ is a virtual function for which we can have implementation, But we must override that function in the derived class, otherwise the derived class will also become abstract class (For more info about where we provide implementation for such functions refer to this …
What is abstract function in Java?
A method without body (no implementation) is known as abstract method. A method must always be declared in an abstract class, or in other words you can say that if a class has an abstract method, it should be declared abstract as well.
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