#include <iostream.h>
class A {

public: int a;
void aa(){

cout << "A::aa(), a=" << a << endl; }
};

class B: public A {
public: int a;

void aa() {
cout << "B::aa(), a=" << a << endl; }

};
class C: public B {

public: int a;
void aa(){

cout << "C::aa(), a=" << a << endl; }
void ShowAll();

};
void main()

{
C c;

c.a = 30;//równoważne c.C::a = 30;
c.aa();

c.B::a = 20;
c.A::a = 10;

c.B::aa();
c.A::aa();

c.ShowAll();
}

void C::ShowAll(){

cout << "A:a = " << A::a << " B:a = "
<< B::a << " C:a = " << a << endl; }

import java.lang.*;
class A {

public int a;
public static void aa()

{ System.out.println("A.aa"); }
}

class B extends A {
public int a;

public static void aa()
{ System.out.println("B.aa"); }

}
class C extends B {

public int a;
public static void aa()

{ System.out.println("C.aa"); }
public void ShowAll()

{ System.out.println("A.a=" + A.a +
", B.a=" + super.a + ", C.a=" + a); }

}
public class Przykr {

public static void main(String args[])
{

C c = new C();
c.a = 30;

c.ShowAll();
((B)c).a = 20;

((A)c).a = 10;
c.ShowAll();

c.aa();
((B)c).aa();

((A)c).aa();
}}