lightoffcommand.java

来自「《深入浅出设计模式》的完整源代码」· Java 代码 · 共 11 行

package testcommand;
//关灯命令：
public class LightOffCommand implements Command{
  private Light myLight;
  public LightOffCommand (Light L) {
    myLight = L;
  }
  public void execute () {
    myLight.turnOff ();
  }
}