This is not entirely correct. Mr. Grady Booch, in his book Object-Oriented Analysis and Design, introduces four main elements: Abstraction, Modularity, Encapsulation, and Hierarchy, where Inheritance is a part of Hierarchy. Polymorphism is a feature that results from Inheritance and Typing.
Why create animations which makes it difficult to read!
This is not entirely correct. Mr. Grady Booch, in his book Object-Oriented Analysis and Design, introduces four main elements: Abstraction, Modularity, Encapsulation, and Hierarchy, where Inheritance is a part of Hierarchy. Polymorphism is a feature that results from Inheritance and Typing.