Sequence Diagram Example: Using MVC Stereotypes with Conditional Statement

Description:

A UML sequence diagram is a collection of objects interacting to accomplish a given task. In this sequence diagram example, you can see the flow of making a search.

To edit this sequence diagram template, simply click on Use this Template. Afterwards, you'll be able to add and remove actors and lifelines to your liking.

What is Sequence Diagram?

Sequence diagrams are a type of interaction diagram which focus on the interaction of a scenario of a given task as observed over time. A sequence diagram is a collection of objects interacting to accomplish a given task. Objects appear across the top of the diagram. A dashed line extends from the object to the bottom of the sequence diagram. Time is represented the messages exchanged between the participating objects from the top to the bottom along the vertical axis in the diagram.

Key Elements in Sequence Diagram

  1. Actors are represented by human symbol
  2. Objects are represented by rectangles
  3. Classes are represented by columns
  4. Messages are represented by arrows
  5. Activations are represented by narrow rectangles
  6. Lifelines are represented by dashed lines

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