playcommand.java

这个文件里面包含了java设计模式的一些例子讲解

package com.javapatterns.command.audioplayer;

/**
 *  This class plays the role of Concrete Command
 */

public class PlayCommand implements Command
{
	private AudioPlayer myAudio;

	public PlayCommand ( AudioPlayer a)
    {
		myAudio = a;
	}

	public void execute( )
    {
		myAudio.play();
	}
}