public static void ShowOrderUI(Order order) {
		if (order == null) {
			return;
		}

		System.out.println("-- Order " + order.getOrderID() + " --");
		System.out.println("1. Add Item");
		System.out.println("2. Delete Item");
		System.out.println("3. View Order");
		System.out.println("4. Print Invoice");

		//menuOption = sc.nextInt();
		boolean cont = true;
		switch (sc.next().charAt(0)) {
			case '1':
				//iterate
				//add(menuItem);
				break;
			case '2':
				do {
					if(order.itemListIsEmpty() && order.setListIsEmpty()) {
						System.out.println("Order is empty - Unable delete item");
						cont =  false;
					}
					else {
						displayOrder(order);
						removeOrderItemUI(order);

						if(order.itemListIsEmpty() && order.setListIsEmpty()) {
							System.out.println("Order is empty - Unable delete item");
							cont =  false;
						}
						else {
							System.out.println("Do you want to remove more items? (Y/N)");
							char c = sc.next().charAt(0);
							if (c == 'N' || c == 'n') {
								cont = false;
							}
							else if (c == 'Y' || c == 'y') {
								cont = true;
							}
						}
					}
				}while(cont);
				break;
			case '3':
				displayOrder(order);
				break;
			case '4':
				if(order.itemListIsEmpty() && order.setListIsEmpty()) {
					System.out.println("Order is empty - Unable to Print Invoice");
				}
				else {
					order.generateInvoice();
				}
				break;
			default:
				break;
		}
	}