Description:
Based on the two use cases that you have selected in Assignment 1, do the following:
1. Write a full description of the two use cases.
2. Draw a first-cut sequence diagram for each of the use cases that include problem domain classes and the data access layer.
3. Draw a first-cut sequence diagram that combines both use cases.
4. Draw an updated design class diagram that combines both use casesand includes classes, attributes, methods, and the updated navigation visibility.