Dynamic binding of member functions in C++ can be done using the keyword virtual. The member func-
tion followed by the virtual keyword is called as virtual function. Consider the following example:
class first // base class
{
int d;
public:
virtual void display ( ) { ——— } // base class member function
};
class second: public first // derived class
{
int k:
public:
virtual void display () { ——— } // member function of derived
class
}
In the above example, base and derived classes have the same member function display() preceded by
the keyword virtual. The various ...
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