Pearson eText for Software Engineering -- Instant Access (Pearson+)
Pearson eText for Software Engineering -- Instant Access (Pearson+)
10th Edition
ISBN: 9780137503148
Author: Ian Sommerville
Publisher: PEARSON+
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Chapter 7, Problem 7.6E

Explanation of Solution

Object-Oriented Design:

Group Diary and Time Management system:

The possible principal objects of group diary and time management system with their operations and attributes is given below. Here, there is a single diary object with different operations for group appointments and personal appointments.

ObjectAttributesOperations
Diary

Year

Week_of_year

Time_slot

Access_permission

Make_appointment

Cancel_appointment

Change_appointment

Make_group_appointment

Reserve_slot

Book_slot

Free_slot

Display_diary

Check_slot_status

Appointment

Time

Duration

Place

Reason

Participants

 
UserDiaryCheck_time_slot

Filling Station:

The possible principal objects of gas filling system with their operations and attributes is given below. Here, the operations and attributes are associated with each object in the fuel tank system and provided a partial desciption of the system controller...

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