public class Warehouse {

    public static void main (String[] args) {

        Supplier acme = new Supplier();           // stmt 1
        acme.setName("Acme");                     // stmt 2

        Item hammer = new Item();                 // stmt 3
        hammer.setInfo("Hammer", 5530);           // stmt 4

        Item wrench = new Item();                 // stmt 5
        wrench.setInfo("Wrench", 6720);           // stmt 6

        hammer.addStock (20);                     // stmt 7

        acme.orderItem(hammer, 4);                // stmt 8
        acme.orderItem(hammer, 5);                // stmt 9
        acme.orderItem(wrench, 8);                // stmt 10

        String message = hammer.getSummary();     // stmt 11
        message += wrench.getSummary();           // stmt 12
        message += acme.getSummary();             // stmt 13
        System.out.println(message);              // stmt 14
    }
}