Use-Case Formalization Problems with Algorithms in Interaction Diagrams

• Decisions

  • Where should you branch to?
  • Message arrows pointing downwards (time dimension!)

• Iterations

  • No multi-object in sequence diagrams
  • Loops need pseudo-messages in collaboration diagrams

• Class methods

  • how to represent class methods
  • classes seen as objects
  • however: new is treated differently…

• Interaction with dynamically referenced objects (e.g., pa)

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