package headfirst.state.gumballstate;public class SoldOutState implements State {    GumballMachine gumballMachine;     public SoldOutState(GumballMachine gumballMachine) {        this.gumballMachine = gumballMachine;    } 	public void insertQuarter() {		System.out.println("You can't insert a quarter, the machine is sold out");	} 	public void ejectQuarter() {		System.out.println("You can't eject, you haven't inserted a quarter yet");	} 	public void turnCrank() {		System.out.println("You turned, but there are no gumballs");	} 	public void dispense() {		System.out.println("No gumball dispensed");	} 	public String toString() {		return "sold out";	}}