Self Test Questions

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1. A class built from other class types is referred to as an ___________________.

2. List the two types of aggregation.

3. Discuss each of the types of aggregation you listed above in terms of what role part objects play in each.

4. In this type of aggregation, part objects belong solely to the whole or containing class. Name the type of aggregation.

5. In this type of aggregation, part object lifetimes are not controlled by the whole or containing class. Name the type of aggregation.

6. What does the line drawn between classes in a UML class diagram denote?

7. What type of aggregation does a solid diamond indicate when attached to one end of an association line?

8. What type of aggregation does a hollow diamond indicate when attached to one end of an association line?

9. In a UML class diagram, the aggregation diamond is drawn closest to which class, the whole or the part?

10. What is the purpose of a UML sequence diagram?

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