worksanyway.java

来自「java编程思想的部分实现」· Java 代码 · 共 41 行

//:c09 :WorksAnyway.java

import java.util.*;

 class Mouse
{
	private int mouseNumber;
	Mouse(int i){mouseNumber=i;}
	public String toString()
	{
		return "This is Mouse#"+mouseNumber;
	}
	public int getNumber()
	{
		return mouseNumber;
	}
}

class MouseTrap
{
	static void caughtya(Object m)
	{
		Mouse mouse=(Mouse)m;
		System.out.println("Mouse:"+mouse.getNumber());
	}
}

public class WorksAnyway
{
	public static void main(String[] args)
	{
		ArrayList mice=new ArrayList();
		for(int i=0;i<3;i++)
		mice.add(new Mouse(i));
		for(int i=0;i<mice.size();i++)
		{
			System.out.println("Free mouse:"+mice.get(i));
			MouseTrap.caughtya(mice.get(i));
		}
	}
}