supertest.java

来自「Java程序设计清华出版课件源码答案共十四章」· Java 代码 · 共 19 行

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();
	}
}