What is pure virtual function in C++? tccicomputercoaching.com
A pure virtual method is an abstract method with no implementation that must be implemented by all subclasses of the owner class. It also refer that the owner class is an abstract class and one can’t instantiate an object of it.
virtual void show()=0; // pure virtual function
class derived : public base
cout<<“child class implement pure virtual function”;
Output: class implement pure virtual function
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