UnpaidState.java

public class UnpaidState implements State {
    private Order order;

    public UnpaidState(Order order) {
        this.order = order;
    }

    public void verifyCreditCard(String info) {
        if (verifyCreditCard(info)) {
            order.setState(order.getPaidState());
        }
    }

    public void ship() {
        System.out.println("Sorry can't ship an item unless it's paid");
    }

    public void orderDelivered() {
        System.out.println("Order hasn't shipped yet!");
    }

}