清华大学：JAVA教学课件：5-7

程序5-7
class SuperClass{
void showMyPosition(){
System.out.println("I am in superclass!");
System.out.println("I will go back now,..");
}
}
class SubClass extends SuperClass{
void showMyPosition(){
System.out.println("At first I will go to superclass,..");
super.showMyPosition();
System.out.println("Now I have moved to subclass!");
}
}
public class SuperTest{
public static void main(String args[]){
SubClass son=new SubClass();
son.showMyPosition();
}
}