001package headfirst.command.party;
002
003public class LivingroomLightOnCommand implements Command {
004        Light light;
005
006        public LivingroomLightOnCommand(Light light) {
007                this.light = light;
008        }
009        public void execute() {
010                light.on();
011        }
012        public void undo() {
013                light.off();
014        }
015}