C++ OOPs

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The main thing of C++ programming is to introduce the concept of object-oriented programming to the C language. It is a pattern and provides many concepts such as data binding, inheritance, polymorphism and etc.

 

In this everything is represented as an object is known as an object-oriented programming language.

 

The object in C++ language matches a real-world entity such as a dog, chair, table etc. It is a methodology to design a program using the objects and the classes.

In OOPs, we mainly concentrate on the classes and objects.

There are 6 major concept in OOPs:-

  • Object
  • Class
  • Polymorphism
  • Inheritance
  • Abstraction
  • Encapsulation
C++ oops
C++ Object

Object

The object in C++ language matches a real-world entity. Objects having state and behavior.


Example: Dog having eyes and 4 legs but the behavior is barking.

Class

The class is a blueprint of an object. Collection of objects is known as class. It is a logical entity.

C++ Class and Object
C++ inheritance

Inheritance

Acquire the properties and behavior of parent class to subclass is known as the Inheritance. It provides reusability of code and used to achieve runtime polymorphism.


Example: Teacher is a parent class and students acquires all the properties of the teachers.

Polymorphism

Single action is performed by different ways i.e., known as the polymorphism.

Polymorphism means having many forms.


Example: Ben ten can transform into different ways such as aliens.

c++ polymorphism
c++ abstraction

Abstraction

Hiding the details of the object and showing the functionality is called as an abstraction.


Example: Phone call, we do not know the internal processing.

Encapsulation

Wrapping up of data and code together into a single unit is called encapsulation.

Example: Capsule, it is wrapped with different medicines.

C++ Encapsulation

Advantages of OOPs:

  • It is easily adapted and modified by the programmer.
  • Object-oriented programming languages contain rich libraries of objects. It enables faster development.
  • Objects can also be reused within across applications.
  • It is a clear modular structure for programs.
  • It makes software easier to maintain.
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