C# Introduction OOP - c# - c# tutorial - c# net



What are the OOPs concepts in C# ?

  • OOP stands for Object Oriented Programming.
  • It is a programming methodology that uses Objects to build a system or a web applications using programming languages such as C#, Vb.net etc.
  • OOP allows decomposition of a problem into a number of entities called objects and then builds data and functions around these objects.
OOPs features

OOPs Features

  • An object is a group of data and methods. The data and the methods are called members of an object.
  • The data of the objects can be accessed only by the functions associated with that object.
  • The functions of one object can access the functions of another object.
  • The main advantages and goals of object oriented programing are to create complex software faster to develop and easier to maintain.
  • In C#, OOP enables the easy reuse of code by applying simple and commonly accepted rules.
  • There are some basic programming concepts in OOP:
    • Abstraction
    • Polymorphism
    • Encapsulation
    • Inheritance

Abstraction:

  • Abstraction is the process of hiding the working style of an object, and displaying the information of an object in an easy method.
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Polymorphism:

  • Polymorphism is the process of using an operator or a function in different ways for different data input. Polymorphism is one of the important concepts of OOP.

Encapsulation

  • Encapsulation means hiding the code and data into a single unit to protect the data from the outside world.

Inheritance:

  • Inheritance is a process of deriving the new class from already existing class. C# is a complete object oriented programming language. Inheritance is one of the primary concepts of object-oriented programming.
Multiple Inheritance

Multiple Inheritance

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Type of Association in c# :

  • Dependency
  • Simple Association
  • Bidirectional Association
  • Aggregation
  • Composition
  • Inheritance
  • Interface
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