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Simple Use Case Text Example     (1)

from Figure 3-1 (p.40) of Martin Fowler's "UML Distilled (2nd Edition)"     (1A)


  • Alternative: Authorization Failure     (1D)
    • At step 6, system fails to authorize credit purchase     (1D1)
    • Allow customer to re-enter credit card information and re-try     (1D2)
  • Alternative: Regular Customer     (1E)
    • 3a. System displays current shipping information, pricing information, and last four digits of credit card information     (1E1)
    • 3b. Customer may accept or override these defaults     (1E2)
    • Return to primary scenario at step 6     (1E3)