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Lesson 11 - UML - Other interaction diagrams

In the previous lesson, UML - Sequence Diagram, we explained UML sequence diagrams in detail. In the introductory lesson, we have already learned that besides the sequence diagram there are other three interaction diagrams in UML - Communication diagram, Interaction overview diagram and Timing diagram. We will discuss all of them in today's UML tutorial.

Communication diagram

Communication diagram was formerly known as Collaboration diagram. Basically, it's another graphical notation for the Sequence diagram that we discussed in the previous lesson. The communication diagram has no timeline, and the time sequence is shown here by adding numbers to the


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In this tutorial, we'll describe other UML interaction diagrams including practical examples. These will be Communication, Interaction and Timing diagrams.

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