面向对象基础——Java多态

public class  {

	public static void main(String[] args) {
		// TODO 自动生成的方法存根
		Hero hanxin= new HanXin();
		Hero libai=new LiBai();
		Operator operateHanxin= new Operator(hanxin);
		Operator operateLibai=new Operator(libai);
		operateHanxin.operate();
		operateLibai.operate();
		
	}
}

class Operator{
	
	private Hero hero;
	Operator(Hero h){
		this.hero=h;
	}
	
	void operate(){
		hero.start();
	}
}

class Hero{
	public void start( ){
		System.out.println("hero is ready to start");
	}	
}

class HanXin extends Hero{
	public void start(){
		
		System.out.println("HanXin is ready to start");
	}
}

class LiBai extends Hero{
	public void go(){
		System.out.println("Libai is ready start");
	}
}