Object oriented programming

Object oriented programming is basically based on  real life programming.
In this approach there are basically two important tools:

1. Classes
and
2. Objects

classes are the blueprint and object are physical existence of classes

for example before build a house we make blueprint of house i.e. class and when we make house there is physical existence of house in earth i.e. object of class.

there are basically four features of object oriented programming:
1. Encapsulation.
2. Abstraction.
3. Polymorphism.
4. Inheritance.



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