The messages 'getTable' and 'getCustomer' return the table and customer objects,respectively,corresponding to the data passed to them as parameters.The objects returned by these messages are shown on Figure 5,8,with their infelines truncated to avoid confusion.We are assurming that the parameters 'tno ','name' and 'phone' can be extracted from the unspecified 'details' passed with the 'makeReservation' message.