分类： Unified Modeling Language

使用用例和活动图从“是什么”到“怎么做”的UML

使用用例和活动图从“是什么”到“怎么做”的UML

Use case diagrams and activity diagrams are behavioral UML diagrams that describe the dynamic characteristics of a system. The difference between use case diagrams and activity diagrams is that use case diagrams help to model the system, user interactions, while activity diagrams help to model the workflow of the system and are often used to illustrate the internal logic of use cases. These diagrams offer multiple advantages. They help model business requirements and understand the functionality of the system at a high level.

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UML 与面向对象设计

UML 与面向对象设计

Unified Modeling Language (UML) and Object Oriented Design (OOD) are both widely used techniques for modeling and designing software systems. While they share many similarities, they also have some key differences. This article will provide an overview of both UML and OOD, highlighting the similarities and differences between the two.

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敏捷软件开发的视觉建模综合指南

敏捷软件开发的视觉建模综合指南

Unified Modeling Language (UML) is a graphical language used for visual modeling in software engineering. UML provides a standardized notation that helps software developers to design and communicate software systems effectively. UML is widely used in software development because it allows developers to capture the system’s requirements, design, and functionality in a visual format that is easy to understand.

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学习实体关系图：全面指南

学习实体关系图：全面指南

Entity Relationship (ER) diagrams provide a powerful way to visually represent the data requirements of a system and the relationships between different entities. They are particularly useful in database design, where understanding the relationships between various entities is critical to creating an efficient and effective database structure. ER diagrams help to identify the different entities, their attributes, and the relationships that exist between them, providing a comprehensive overview of the data model.

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