Observation Restaurant

Play function : Restaurant owner.

Call function  : Manager, the message delivered to the manager.
Input             : Control of the employees held a regular meeting with the head chef and. all  talk about problems related to facilities and other things for the betterment of restaurant.
Return value  : Provide good performance to the restaurant.

Call function: The treasurer, the message delivered to the treasurer.
Input           : Ask for some money to the treasurer.
Return value : Give some money around five million dollars.

Call function : Food buyer officer.
Input            : Receive an amount of about five million dollars.
Process        : A motorcycle to visit a food market and shopping needs, after we came home.
Output         : We've got all the ingredients of food (vegetables, meat, fish, fruits, etc).

Call funcition : Cleaning service, the message delivered to the cleaning service.
Input            : Ask for a cleaning service to clean the kitchen and set the other restaurant.
Process        : The process of cleaning the kitchen (sweeping, mopping, and organize space).

Call function : Chef.
Input           : Accept food that has been purchased by a qualified buyer.
Process         : Prepare equipment and materials, then cut up food, then food is cooked until ready to serve food.
Output         : Cooked food ready to serve to customers.

Call function : Waitress.
Input           : Receiving orders from customers.
Process        : The waiter gave orders to the chef menus, chef and cooking orders.
Output          : eliver meals are cooked to the customer.

Call function : Counter.
Input            : The customer to give some money to the cashier according to the price of food ordered.
Process        : Calculate the price of food customers by using computer payment.
Output         : Provide receipt of payment to customers.

Call function : Customer.
New object   : Visitor.
Input           : The waiter, a message sent to the waiter (ask for a list of food and beverage menu, then order food and drinks).
Output         : Get food and drinks were ordered.

Call function : A parking.
Input            : Tidy bike valet customers.
Output          : Make money from customers.