playcommand.java

来自「这是学习java与设计模式一书时所必备的源代码。只有这样才能更加深刻的理解编程的」· Java 代码 · 共 21 行

package com.javapatterns.command.audioplayer2;

/**
 *  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();
	}
}