Difference between revisions of "Use Case Diagram"
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* An Actor represents a requirement (stimulus) of the system | * An Actor represents a requirement (stimulus) of the system | ||
* An Action representing a capability of the system | * An Action representing a capability of the system | ||
| − | + | * A Subject representing the item acted upon by an Action of the system | |
Revision as of 17:32, 16 February 2022
Definition
A Use Case Diagram is an UML diagram that aims to present a statement of functionality required of a system (e.g. software)
PlantUML Elements
A PlantUML use case diagram specifies and shows the following:
- An Actor represents a requirement (stimulus) of the system
- An Action representing a capability of the system
- A Subject representing the item acted upon by an Action of the system
Example
@startuml 'https://plantuml.com/sequence-diagram autonumber Payer -> Payee: Payment Payee --> Payer: Payment Confirmation Payer -> Payee: Another Payment Payee --> Payer: Another Payment Confirmation @enduml
