lec7-2 - MIE 350 UML State Chart Diagrams Michael Gruninger...

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MIE350: Software Development Methodologies 1 MIE 350 UML: State Chart Diagrams Michael Gruninger Information Engineering Centre [email protected]
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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 Statechart Diagrams • Dynamic model of the changes to an object over time • Show object’s states and the transition between states • Usually only used for complex classes/algorithms machine diagrams”
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MIE350: Software Development Methodologies 5 What is the State of an Object?
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MIE350: Software Development Methodologies 6 What is an Event?
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lec7-2 - MIE 350 UML State Chart Diagrams Michael Gruninger...

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