public void mainMenu()
    {
        System.out.println("What has happened in the real world?");
        System.out.println("1: Print Warehouse Inventory");
        System.out.println("2: Check Item Quantity");
        System.out.println("3: Recieve Shipment");
        int input = scanner.nextInt();
        switch (input)
        {
            /*case 1:
                mreceiveShippingNotice();
                break;*/
            case 1:
                warehouseInventory();
                break;
            case 2:
                mcheckQuantity();
                break;
			case 3:
				System.out.println("Which shipid to accept?");
				warehouseController.receiveShipment(scanner.nextInt());
				break;
				
			default:
                System.out.println("Sorry invalid selection, please choose again.");
                mainMenu();
                break;
        }
		mainMenu();
    }