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Communication Diagram Example



A Communication diagram shows an interaction organized around the objects in the interaction and their links to each other. The following example is the same one used in the sequence diagram.

The internet browser sends a makeReservation() message to a travel agency, which sends a makeReservation() message to a car rental reservation. If the car is available, then it makes a Reservation and a Confirmation.

The car rental reservation issues a self call to determine if a car is available. If so, the car rental reservation makes a Reservation and a Confirmation.






Notes can be included.