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C++

virtual

Virtual function is the member function of a class that can be overriden in its derived class. It is declared with virtual keyword. Virtual function call is resolved at run-time (dynamic binding) whereas the non-virtual member functions are resolved at compile time (static binding).

Syntax:

virtual function(){
....
}

Example:

Class A 
{ 
        int a; 
        public: 
        A() 
        {
                 a = 1; 
        } 
        virtual void show() 
        { 
                    cout <

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