Use case diagram staruml
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This actor can perform only these interactions with the system even though other use cases are remaining in the system. A student actor can check attendance, timetable as well as test marks on the application or a system. Each actor interacts with a particular use case. There are a total of five use cases that represent the specific functionality of a student management system. In the above use case diagram, there are two actors named student and a teacher. If the use case diagram is large, then it should be generalized.įollowing use case diagram represents the working of the student management system: UML UseCase Diagram.A use case diagram should describe at least a single module of a system.
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#USE CASE DIAGRAM STARUML HOW TO#
UML Actor Notation How to draw a use-case diagram? The actor notation in UML is given below. One actor can be associated with multiple use cases in the system. It can be any element that can trigger an interaction with the use case. An actor is an entity that initiates the use case from outside the scope of a use case. The actor is an entity that interacts with the system. The notation of a use case in UML is given below: UML UseCase Notation It is denoted by an oval shape with the name of a use case written inside the oval shape. A use case represents a distinct functionality of a system, a component, a package, or a class. Use cases are used to represent high-level functionalities and how the user will handle the system. Use-case diagram notationsįollowing are the common notations used in a use case diagram: Use case diagrams are responsible for visualizing the external things that interact with the part of the system. It models how an external entity interacts with the system to make it work. Use case diagrams capture the dynamic behaviour of a live system. In this UML Diagram tutorial, you will learn more about:Ī Use Case consists of use cases, persons, or various things that are invoking the features called as actors and the elements that are responsible for implementing the use cases. Use-cases are the core concepts of Unified Modelling language modeling. Use cases represent high-level functionalities and how a user will handle the system. Use Cases model the services, tasks, function that a system needs to perform. Use Case Diagram captures the system’s functionality and requirements by using actors and use cases.