public void addOrderedItem(String name, int quantity) {
   for (Iterator<Store> i = items.getItemList().iterator(); i.hasNext(); ) {
     Store item = (Store) i.next();
     if (item.getItem().matches(name)) {
       if (item.getQuantity() >= quantity) {
         OrderItem neworderitems = new OrderItem(name, quantity, item.getItem().getCost());
         neworderitems.setTotalItemCost(quantity);
         item.setQuantity(item.getQuantity() - quantity);
         orderItemsList.add(neworderitems);
       } else {
         System.out.println(item.getQuantity() + " " + item.getItem().getName() + "are there.");
       }
     }
   }
   items.disply();
 }
 private void changeItemListInventory(String name, int quantity) {
   for (Iterator<Store> i = items.getItemList().iterator(); i.hasNext(); ) {
     Store item = (Store) i.next();
     if (item.getItem().matches(name)) {
       item.setQuantity(item.getQuantity() + quantity);
     }
   }
 }