OBJECT ORIENTED PROGRAMMING

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 OBJECT ORIENTED PROGRAMMING:

The principles of OOPS are:


1) Abstraction:
Abstraction can be of two forms, data abstraction and functional abstraction.
a) Data Abstraction:
The representation of the data is hidden.
b) Functional Abstraction:
             The implementation is hidden.  

C++, 'class' provides data and functional abstraction.

            Refer: FRIEND FUNCTIONS AND FRIEND CLASS

2) Encapsulation:
         a) Holding the data members and member functions as a single unit.
         b) A 'class' holds its data members and member functions as a unit.
            Refer: CONSTRUCTORS AND DESTRUCTORS
        
3) Inheritance:
Inheriting one 'class' properties in another(reusability).

Types of Inheritance:
          b) MultiLevel Inheritance
         d) Hybrid Inheritance

                Refer: INHERITANCE
4) Polymorphism:
One form is used for multiple purposes.
Types of polymorphism:
         (i) function overloading
         (ii) operator overloading
             (i) virtual functions

                Refer: POLYMORPHISM

Refer: 

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