2025年1月3日 · A Use Case Diagram is a type of Unified Modeling Language (UML) diagram that represents the interaction between actors (users or external systems) and a system under consideration to accomplish specific goals.

What is a Use Case Diagram in UML? A use case is a list of actions or event steps typically defining the interactions between a role of an actor and a system to achieve a goal. A use case is a useful technique for identifying, clarifying, and organizing system requirements.

In the Unified Modeling Language (UML), a use case diagram can summarize the details of your system's users (also known as actors) and their interactions with the system. To build one, you'll use a set of specialized symbols and connectors.

So what is a use case diagram? A UML use case diagram is the primary form of system/software requirements for a new software program underdeveloped. Use cases specify the expected behavior (what), and not the exact method of making it happen (how).

2022年12月2日 · Use case diagrams capture the functional requirements of a system and help to identify how different actors interact with the system to achieve specific goals or tasks.

2023年9月12日 · What is a Use Case Diagram? A use case diagram is a graphical representation used in use case modeling to visualize and communicate these interactions and relationships. In a use case diagram, you’ll typically see actors represented as stick figures, and the use cases (specific functionalities or features) as ovals or rectangles.

A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. The use cases are represented by either circles or ellipses.

5 天之前 · Online Use Case Diagram Tool. Visual Paradigm Online provides an easy-to-use online UML diagram maker with a rich set of customizable use case diagram examples. It allows users to create professional use case diagrams quickly with a drag-and-drop editor and collaborate with their team in a cloud workspace. Read more 2; Free UML Tool

Use case diagrams are usually referred to as behavior diagrams used to describe a set of actions (use cases) that some system or systems (subject) should or can perform in collaboration with one or more external users of the system (actors).

2024年11月8日 · Using a Case diagram is a functional requirement documentation technique. It elicits the functionality as a black box with all the users who have access or a role in it. They are presented in a simple and non-technical way, easy to understand by …