UML Modeling Techniques
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Use case modeling
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Use case diagrams
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Defining that a use case extends another use case
Defining that a use case extends another use case
1.
On the Use Case Diagram toolbar, click the
Extend Flow button.
2.
On the diagram, click the extending Use Case.
3.
On the diagram, click the extended Use Case.
Extend Flow button. Extend Flow button. Extend Flow button.