package headfirst.command.simpleremote;public class RemoteControlTest {	public static void main(String[] args) {		SimpleRemoteControl remote = new SimpleRemoteControl();		Light light = new Light();		GarageDoor garageDoor = new GarageDoor();		LightOnCommand lightOn = new LightOnCommand(light);		GarageDoorOpenCommand garageOpen = 		    new GarageDoorOpenCommand(garageDoor); 		remote.setCommand(lightOn);		remote.buttonWasPressed();		remote.setCommand(garageOpen);		remote.buttonWasPressed();    }}