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Object Oriented Programming (OOP Concept) WHY WE STUDY OOP? OOP is basically a concept of Object & Class. Object Oriented Programming has several advantages:- 1. OOP is faster and easier to execute. 2. OOP provides a clear structure for the programs. 3. OOP helps to keep the code easier to maintain, modify and debug. 4. OOP makes it possible to create full reusable applications with less code and shorter development time. CLASS A class describes the contents of the objects that belong to it. OBJECT An object is an element of a class; objects have the behaviours of their class. PILLERS There are 4  main  pillars of OOP (Object Oriented Programming). 1. INHERITENCE 2. POLYMORPHISM 3. ABSTRACTION 4. ENCAPSULATION INHERITENCE In Inheritance, there is a Parent Class in which we use its properties and methods to its Child Class. POLYMORPHISM Poly = multiple & morph = change In Polymorphism, an object can be changed from one form to another.  A real-life example of ...