package headfirst.state.gumballstate;import java.util.Random;public class HasQuarterState implements State {	GumballMachine gumballMachine; 	public HasQuarterState(GumballMachine gumballMachine) {		this.gumballMachine = gumballMachine;	}  	public void insertQuarter() {		System.out.println("You can't insert another quarter");	} 	public void ejectQuarter() {		System.out.println("Quarter returned");		gumballMachine.setState(gumballMachine.getNoQuarterState());	} 	public void turnCrank() {		System.out.println("You turned...");		gumballMachine.setState(gumballMachine.getSoldState());	}    public void dispense() {        System.out.println("No gumball dispensed");    } 	public String toString() {		return "waiting for turn of crank";	}}