/* Simple Inheritance

Rough UML Class diagram
        ---
       |BB |
       |---|
       |f()|
       |h()|
        ---
        /\
       /  \
      /    \
     ---   ---
    |D1 | |D2 |
    |---| |---|
    |f()| |f()|
    |g()| |g()|
     ---   ---
*/
#include <iostream>

using namespace std;


class BB{ public: void f(){cout <<"BBf "; } void h(){cout <<"BBh ";}};

class D1: public BB{ public: void f(){cout <<"D1f "; }
                             void g(){cout << "D1g ";}};

class D2: public BB{ public: void f(){cout <<"D2f "; }
                             void g(){cout << "D2g ";}};

main(){
	BB b;	b.h();   b.f();         cout << endl;
	D1 d1;	d1.h(); d1.f(); d1.g(); cout << endl;
	D2 d2;	d2.h(); d2.f(); d2.g(); cout << endl;


}//end main