Question 1:

1. Define the term ‘use case' and explain the various types of actors in a Use Case.

2. Explain the difference between the <> and <> relationships in use case diagrams? Give examples

3. Describe with examples ‘encapsulation', ‘information hiding', ‘polymorphism' and ‘data abstraction'.

4. What is the difference between USDP and the Waterfall lifecycles in the relationship of between activities and phases?

5. Explain Class diagram. Outline the main steps in developing a class diagram for a Use Case(UC).

Question 2:

Describe UCs and write full use case description for the following UCs:

• Start line run
• Record employee joining the line
• Record employee leaving the line
• Stop line

Question 2: Communication diagram

Prepare a communication diagram for each of the UC in Q1 and also include justification of the objects included in the diagram(s).

Question 3: Class Diagram

Draw a class diagram based on the information supplied in the case study and the communication diagrams drawn in Question 2.