lec7-3 - MIE 350 UML: Sequence Diagrams Michael Gruninger...

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MIE350: Software Development Methodologies 1 MIE 350 UML: Sequence Diagrams Michael Gruninger Information Engineering Centre gruninger@mie.utoronto.ca
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MIE350: Software Development Methodologies 2 Unified Modeling Language (UML) • Like DFDs but with a focus on object- orientation • Techniques are not mutually exclusive – Can use DFDs for OO project – In fact, use cases come from UML!
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MIE350: Software Development Methodologies 3 Components of UML • Use case diagrams – Graphical representation of use cases • Class diagrams – Very similar to ERDs • Statechart diagrams – How an object’s state changes • Sequence diagrams – Object interaction
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MIE350: Software Development Methodologies 4 Sequence Diagrams • Class diagrams represent static information and relationships • Statecharts represent dynamic information inside an object • Sequence diagrams represent dynamic relationships among objects
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lec7-3 - MIE 350 UML: Sequence Diagrams Michael Gruninger...

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