super关键字

package test;
class FatherClass{
	public int value;
	public void f(){
		value = 100;
		System.out.println("FatherClass.value="+value);
	}
}
class ChildClass extends FatherClass{
	public int value;
	public void f(){
		super.f();
		value = 200;
		System.out.println("ChildClass.value="+value);
		System.out.println(value);
		System.out.println(super.value);
	}
}
public class Test {
	public static void main(String args[]){
		ChildClass cc = new ChildClass();
		cc.f();
	}
}

输出结果：
FatherClass.value=100
ChildClass.value=200
200
100