1 class FatherClass { 2 public int value; 3 public void f(){ 4 value = 100; 5 System.out.println 6 ("FatherClass.value="+value); 7 } 8 } 9 10 class ChildClass extends FatherClass { 11 public int value; 12 public void f() { 13 super.f(); 14 value = 200; 15 System.out.println 16 ("ChildClass.value="+value); 17 System.out.println(value); 18 System.out.println(super.value); 19 } 20 } 21 22 public class TestInherit { 23 public static void main(String[] args) { 24 ChildClass cc = new ChildClass(); 25 cc.f(); 26 } 27 }