For example, a system use case might be "return book when overdue". It would then describe the interactions of the various actors and the system to carry out the end-to-end process. Typically, you will start by defining the high-level business use cases. As the system requirements get ...
When a use case can be associated with multiple Actors, then it’s a case of multiplicity of a use case.For example,as shown in the above image “Notation- Relationship And Association”, View-Courses’ is associated with two actors–‘New-User’ and ‘Registered-User’. The multiplicity o...
UML Use Case Diagram Example
Banking system use case diagram example Modern banking systems need to have clear objectives. This diagram presents a high-level overview of some of the most fundamental goals a customer has with his or her bank—opening an account, checking a balance, and withdrawing money. If you like this ...
UML用例图-UML Use Case Diagram 导航 1前言 2UML用例图中的元素 2.1用例 2.2参与者 2.3系统 2.4子系统 3UML用例图中的关系 3.1关联关系 3.2包含关系 3.3扩展关系 3.4泛化关系 3.5依赖关系 1 前言 在建筑行业,大到百层的摩天大楼,小到两层的乡间别墅,在施工之前都需要设计。地基挖多深,使用什么样的主体框架...
用例描述了一個演員和感興趣的系統之間的一系列交互,以達到某種特定目標,並由某種觸發事件引發。用例滿足需求或為演員解決問題。用例圖包含一組用例,可以通過從每個角色的不同角度講述系統將如何使用的“故事”來開發。 確保每個用例都能滿足可觀察的用戶目標 ...
Use Case Diagram Example University Record System (URS) Use Case Diagram - URS System UML Use Case Diagrams Use case diagrams are one of the diagrams in the UML for modeling the dynamic aspects of systems.(Activity diagrams,state diagrams,sequence diagrams,and communication diagrams are four other...
用例图又称用况图,描述系统功能。 通过用例图展示待建系统的上下文范围以及它提供的功能。它描述了谁(或什么)与系统交互,外部世界希望系统做些什么。 用例着眼于为用户增加价值,提供了一种捕获功能需求的系统且直观的方法,可驱动整个开发过程。用例从某个特定参与者的角度用简单易懂的语言说明一个特定的使用场景。
Why use use case diagram? Use case diagrams provide valuable information about how and why users are interacting with a system. This can help development teams focus resources and prioritize tasks, and also pinpoint possible problem areas ahead of time. What is a use case example used for? He...
Chainsaw use case diagram example Consider this example: A man with a chainsaw interacts with the environment around him. Depending on the situation and the context of the situation, he might fall into one of many different use cases. Does he seem to be on his way to work? Is there any...