Abstract class in c++ language || learn programing language

Abstract class and pure virtual function in c++ language
Abstract class
Pure virtual function
#abstractclass #purevirtualfunction #learnprograminglanguage
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: ABSTRACT CLASS :
An abstract class is a class that is designed to be specifically used as a base class. An abstract class contains at least one pure virtual function. You declare a pure virtual function by using a pure specifier ( = 0 ) in the declaration of a virtual member function in the class declaration.
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