lightoffcommand.java

来自「java与模式 一书的源码」· Java 代码 · 共 17 行

package com.javapatterns.command.lightandfan;

public class LightOffCommand implements Command
{
	private Light myLight;

	public LightOffCommand ( Light L)
    {
		myLight = L;
	}

	public void execute( )
    {
		myLight.turnOff( );
	}
}