1. UML

2. Interaction diagrams Collaboration diagrams –Depict behaviour of objects as they interact Sequence diagrams –depict the dynamic behaviour of elements that make up a system Both diagrams can represent the same information

3. Collaboration Two levels Specification-level Shows classes, associations and their messages Instance-level Shows specific objects links and

6. Iteration

7. Sequenties

9. Iteratie

10. Vraag Wat is het verschil tussen sequentie- en collaboratiediagrammen? Wanneer gebruik je de een, en wanneer de ander? Zie pagina 220 boek

11. State diagrams Describe the state of an element and its transitions Transitions An element is in a source state. An event occurs. An action is performed. The element enters a target state.

12. Events

13. Actions = processing Action: return_var := target.actionname (arguments)

14. State Diagram of User Account

15. Volgende week Vragen Mail naar jansen@swi.psy.uva.nl