There are four fundamental concepts of Object-oriented programming – Inheritance, Encapsulation, Polymorphism, and Data abstraction.
It is essential to know about all of these in order to understand OOPs.
Understand impotent concepts related to object-oriented programming, string functions more
Abstraction, encapsulation, polymorphism, and inheritance are the four main theoretical principles of object-oriented programming. But Java also works with three further OOP concepts: association, aggregation, and composition.
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