Use Case Diagrams in Course Registration System

• Main
  • system boundary (actors)
  • functionality (use cases)
  • communication associations between actors and use cases
  • use case relationships (if any): generalisation
  • <<include>> and <<extend>> relationships between use cases: to include or extend usecases
• Additional use case diagrams:
  • all the use cases for a selected actor
  • all the use cases implemented in an iteration
  • all the relationships (to actors and use cases) for a use case
  • etc.