package headfirst.command.party;public class Hottub {	boolean on;	int temperature;	public Hottub() {	}	public void on() {		on = true;	}	public void off() {		on = false;	}	public void circulate() {		if (on) {			System.out.println("Hottub is bubbling!");		}	}	public void jetsOn() {		if (on) {			System.out.println("Hottub jets are on");		}	}	public void jetsOff() {		if (on) {			System.out.println("Hottub jets are off");		}	}	public void setTemperature(int temperature) {		if (temperature > this.temperature) {			System.out.println("Hottub is heating to a steaming " + temperature + " degrees");		}		else {			System.out.println("Hottub is cooling to " + temperature + " degrees");		}		this.temperature = temperature;	}}