Activity Diagram Example: ATM


This is a UML Activity Diagram example for ATM. Swimlanes are used to represent the participants that take part. The whole process begins at the black start circle at the top and ends at the concentric white/black stop circles at the bottom. The activities are modeled as rounded rectangles.

Draw your activity diagram by using this one as a starting point. Simply Click Use this Template to edit, or click Create Blank to draw from scratch.

What is Activity Diagram?

Activity Diagrams describe how activities are coordinated to provide a service. Activity Diagrams consist of activities, states and transitions between activities and states. You can use activity diagram to model the logic of a single use case, or even how to coordinate a collection of use cases for the entire targeted system being developed. For example, to model how the events in a single use case relate to one another - in particular, use cases where activities may overlap and require coordination.

Guidelines for creating Activity Diagrams

  • Minimize the number of crossings links or relationship among activities.
  • Reorganize larger diagrams into several smaller ones. It is often easier to have several diagrams on various levels of detail than a single complex one.
  • Use swimlanes to model responsibility of stakeholders, function of department or service provided by operational units.
  • It can be used to elaborate the logic of an entity in UML, such as, a use case, function or orchestration of several use cases and etc.

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