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Object Oriented Programming (OOP)

Object

Object is an entity that has state and behavior

Class

Collection of objects is known as class.

There are four main types of OOP concepts

  • Inheritance
    • Object acquire all the properties and behavior of parent object
    • Improve code re-usability
  • Polymorphism
    • One task is performed by different ways
    • Use method overload and override
  • Abstraction
    • Hiding internal details and showing functionality
    • Use abstract class and interfaces
  • Encapsulation
    • Binding code and data into a single unit

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