UML. Interaction diagrams Collaboration diagrams –Depict behaviour of objects as they interact Sequence diagrams –depict the dynamic behaviour of elements.

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Presentation transcript:

UML

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

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

Iteration

Sequenties

Iteratie

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

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.

Events

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

State Diagram of User Account

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