Sequence Diagram Example: Delete Course


A UML sequence diagram captures the behavior of a single scenario by showing objects involved and the messages that are passed in between. This is a simple sequence diagram example that shows the messages involved in deleting a course.

Use this sequence diagram template to get started building your own. Customize the sequence diagram for your need. Click Use this Template to start.

What is Sequence Diagram?

A sequence diagram is a visual model describing how groups of objects collaborate in some behavior over time by capturing the behavior of a scenario of a use case. It shows objects and the messages that are passed between these objects for the particular collaboration.

Usages of Sequence Diagram

  • To refine use case descriptions and flow of events
  • To find additional participating objects
  • To identify responsibilities and data structure of the participating object through inspection of coming messages
  • To model the interaction between actors and subsystems when using in high level
  • elaborate a scenario in different levels of detail iteratively when needed

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