Note that an actor does not necessarily represent a specific physical entity but merely a particular facet (that is, “role”) of some entity that is relevant to the specification of its associated use cases. Thus, a single physical instance may play the role of several different actors and, conversely, a given actor may be played by multiple different instances
- 2. Application Design Concepts and Principles
- from OCM Java EE 6 Enterprise Architect Exam Guide (Exams 1Z0-807, 1Z0-865 & 1Z0-866), 3rd Edition
- Publisher: Oracle Press
- Released: July 2014
the actor of use case diagram.
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