lightoffcommand.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 17 行

package com.javapatterns.command.lightandfan;

public class LightOffCommand implements Command
{
    private Light myLight;

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

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