Introduction to Software Engineering
Introduction to Software Engineering
Introduction to Software Engineering
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Sequence Diagrams<br />
• From the flow of events in the use case or scenario<br />
proceed <strong>to</strong> the sequence diagram<br />
• A sequence diagram is a graphical description of objects<br />
participating in a use case or scenario<br />
• Relation <strong>to</strong> object identification:<br />
● Objects/classes have already been identified during object<br />
modeling<br />
● Objects are identified as a result of dynamic modeling<br />
• Heuristic:<br />
● An event always has a sender and a receiver. Find them for<br />
each event These are the objects participating in the use<br />
case<br />
Winter 2009, Maheswaran <strong>Introduction</strong> <strong>to</strong> <strong>Software</strong> <strong>Engineering</strong> – ECSE321 Unit 6 – Analysis /57
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