# include # include # include class A { public: void disp() { cout<<"Hello\n"; } virtual void show() { cout<<"Hiiiiii\n"; } }; class B : public A { public: void disp() { cout<<"C\n"; } virtual void show() { cout<<"C++\n"; } }; void main() { clrscr(); A obj; B bobj; A *ptr; ptr=&obj; ptr->disp(); ptr->show(); ptr=&bobj; ptr->disp(); ptr->show(); getch(); }