Question

5. The use case description for the Reserve Room use case is given below. Identify interface and entity classes for the Reserve Room use case. (2 pts) Use case: Reserve Room use case Summary: Desk clerk checks whether a room is available and reserves a room if it is available. Actors: Desk Clerk Precondition: System is idle. Main Description: 1. A desk clerk inputs information for checking room availability. 2. The system checks if a room is available. 3. If a room is available, the desk clerk inputs reservation information to the system. 4. The system reserves a room and generates the confirmation number. 5. System displays the confirmation number to the desk clerk. Alternative Description: If a room is not available, system generates a message "Room is full”. Postcondition: A room has been reserved.

Answer 1

here the entity classes are :checkavailability(),reserveroom()

and the interface is deskcleark()