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Editorial Team
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Asked: 2026-06-06T06:52:58+00:00

Given the following sequence diagram, how to express the equivalent in a UML communication

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Given the following sequence diagram, how to express the equivalent in a UML communication diagram?

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Edit
This is slightly different from How to express loops in Communication Diagrams? because there are two messages in the loop.

I see the link to http://www.smartdraw.com/resources/tutorials/uml-collaboration-diagrams/ which mentions the * for a loop.

Would it be right then to use:

1 * [i=1..5] : hello
2 * [i=1..5] : bye

The trouble I see is that this seems to be ambiguous: is it hello x 5 then bye x 5, or (hello bye) x 5.

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1 Answer

  1. Editorial Team

    I don’t think it can be done. The whole idea of collaboration diagrams is to use them when you have simple object interaction. Why not use a sequence diagram?

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