public synchronized void addItem(String itemID) {
ItemOrder order;
for (int i = 0; i < itemsOrdered.size(); i++) {
order = (ItemOrder) itemsOrdered.get(i);
if (order.getItemID().equals(itemID)) {
order.incrementNumItems();
return;
}
}
ItemOrder newOrder = new ItemOrder(Catalog.getItem(itemID));
itemsOrdered.add(newOrder);
}
