joe.java

java与模式 一书的源码

package com.javapatterns.command.television;

public class Joe
{
	public static void main(String[] args)
	{
        test1();
	}

    private static void test1()
    {
	    Tv  myTv = new Tv();

	    OnCommand on = new OnCommand(myTv);
	    OffCommand off = new OffCommand(myTv);
        ChannelCommand channel = new ChannelCommand(myTv, 2);

	    Control control = new Control( on, off, channel);

        control.turnOn();
        control.changeChannel();

        control.turnOff();
    }

    /**
     * @link aggregation
     * @directed 
     */
    private Control control;
}