In Chapter 6, you considered the issues relevant to the specification of the hardware equipment and networking requirements. The case description in Chapter 6 also reviewed the three primary types of users for the system and many of their respective system-supported activities.

In Chapter 5, you developed activity diagrams and system sequence diagrams for two use cases: Request a package pickup and Pickup a package. In Chapter 4, you developed a domain model class diagram for the system.

1. For each of the two use cases, develop a first-cut design class diagram and a set of CRC cards. The design class diagram should elaborate the attributes and show navigation visibility. You may also need to add more classes from your solution in Chapter 4. It isn’t uncommon for developers to enhance early models as they begin to understand system requirements better. The CRC cards should include classes for the Controller class and any classes for screens you identified in Chapter 7.

2. Update the DCD with method names from the CRC cards. For this solution, do not try to determine entire method signatures, just the names.