Answer Happy

waiter createOrder() takes Chef take order() prepares order orderID int status OrderStatus addMenultem() removeMenultem() Bill billID int customerID int paymentType string payo cancel Payment() Customer name string contact Number int cusotmerID int checkin() checkout() LastVisited() cancilOrder() modifyOrder() makes Menu Fig: Activity Diagram menulD int menultem Menultem menultemID int title string description string price int updatePrice) Receptionist Create Reservation() creates Reservation reservationID int reservation Time int numberOfPeope int cancelReservation() changeReservation Time() Table tableD int status TableStatus maxCapacity int addReservation()