// This example shows that the functions inherited by a derived class from a
// base class can be overriden by the derived class by providing a new
// definition for it


#include 

class A {
	public : 
		void foo ();
};

class B : public A {
	public : 
		void foo ();
};

void A::foo () { cout << "Hi again !!\n"; }

void B::foo () { cout << "Hi !!\n"; }


void main () {
	B b;
	b.foo ();		// invoking B::foo ()
 	b.A::foo ();		// invoking A::foo ()
}