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This repository contains Java Object-Oriented Programming (OOP) concepts, including inheritance, abstraction, interfaces, and polymorphism. It serves as a learning resource for students and developers who want to understand OOP principles through practical examples.
In Hierarchical Inheritance, one class serves as a superclass (base class) for more than one subclass. In the below image, class A serves as a base class for the derived classes B, C, and D.