October 2017
Beginner
360 pages
7h 58m
English
Content preview from Design It!
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| Activity 28 | Sequence Diagram |
Dynamic structures are difficult to appreciate on paper. Use a sequence diagram to show how control or data moves through the system at runtime. Model the flow of logic, data, or control among components.
Benefits
- Simple and flexible notation
- Both graphical and text notations exist
- Useful for communication and reasoning
- Ample tool support, though tools are not required
Description
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Choose a scenario to diagram. Use this as the title of the diagram.
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List components involved in the scenario horizontally across the top of the page. These are the participants in the diagram. Draw a straight, vertical life line under each participant. Participants are usually listed from left to right starting with the participant that initiates ...