Abstract Classes and Virtual Functions In C++ OOP

In this video, we will learn about abstract classes, pure virtual functions and virtual functions in c++ object oriented programming.
Abstract classes are called that you can't create object from. So it is a class that is not instantiable. A Class becomes an abstract class in c++ if it has pure virtual functions. To understand what means pure virtual functions, let us first understand what is virtual functions.
A Virtual function is a function that can be overrided by a derived class.
A Pure virtual function is a function that is inside an abstract class, which must be overrided by any class that inherit the abstract class.
Let us see how we can create abstract classes, virtual functions and pure virtual functions in c++ inside this video.

Previous Video: https://youtu.be/A0dMd09RvNc

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TIMESTAMPS:
0:00 Introduction
0:21 1- Virtual Functions & Function Overriding
5:32 2- Abstract Classes & Pure Virtual Functions
10:57 END

Видео Abstract Classes and Virtual Functions In C++ OOP канала Tech By Ralph