Sequence diagram, a UML diagram

Hello!

Well, my holidays were nice: I attended a course titled analysis and object-oriented design with UML at UEL given by Prof. Sergio Tanaka and climbed the Pico Agudo (Sharp Peak) with Dylan, Gustavo and Lucas.

In this course, I learned to create some of the main UML diagrams using the software IMB Rational Rose. I especially like the sequence diagram.

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