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Object Oriented Programing

Sundararaman
25/05/2017 0 0

Object Oriented Programming Concepts:

Object Oriented Programming follows bottom up approach in program design and emphasizes on safety and security of data.

Features Of Object Oriented Programming:

Inheritance:

  •  Inheritance is the process of forming a new class from an existing class or base class. The base class is also known as parent class or super class.
  •  Derived class is also known as a child class or sub class. Inheritance helps in reusability of code , thus reducing the overall size of the program.

Data Abstraction:

  • It refers to the act of representing essential features without including the background details. Example: for driving, only accelerator, clutch and brake controls need to be learnt rather than working of engine and other details.

Data Encapsulation:

  • It means wrapping up data and associated functions into one single unit called class.
  • A class groups its members into three sections: public, private and protected, where private and protected members remain hidden from outside world and thereby helps in implementing data hiding.

Modularity:

  • The act of partitioning a complex program into simpler fragments called modules is called as modularity.
  • It reduces the complexity to some degree and,
  • It creates a number of well defined boundaries within the program .

Polymorphism:

  • Poly means many and morphs mean form, so polymorphism means one name multiple
  • It is the ability for a message or data to be processed in more than one form.
  • C++ implements Polymorhism through Function Overloading , Operator overloading and Virtual functions .

 

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