4.1. Purpose

Try these first

1. 1.

   What is the main purpose of UML?

   Hint

   Think about its role in communication.

2. 2.

   Name one component of Use Case diagrams.

   Hint

   Who interacts with the system?

3. 3.

   What does UML stand for?

   • Universal Modeling Language
   • Unified Modeling Language
   • Uniform Modeling Language

   Hint

   Think about the correct terminology.

4. 4.

   Use Case diagrams primarily represent interactions between:

   • Actors and systems
   • Activities and tasks
   • Messages and orders

   Hint

   Who is involved in the use cases?

5. 5.

   Develop a complete Use Case diagram for a library management system, detailing all interactions an actor might have.

   Hint

   Identify all roles and their actions.

6. 6.

   Draw an Activity diagram for the process of booking a flight, highlighting decisions and parallel steps.

   Hint

   Think about the user’s journey from start to finish.