Unified Modeling Language
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Unified Modeling Language (UML) is a standardized visual system for designing and planning software applications, using diagrams and symbols to represent how different parts of a program work together. It matters because it helps software developers and teams communicate their design ideas clearly, catch potential problems before coding begins, and ensure everyone has a shared understanding of how a system will be built.
AI-generated from the Wikipedia summary — may contain errors.
Article
The Unified Modeling Language (UML) is a general-purpose, object-oriented, visual modeling language that provides a way to visualize the architecture and design of a system, similar to the function of a blueprint. UML defines notation for many types of diagrams which focus on aspects such as behavior, interaction, and structure.
UML is both a formal metamodel and a collection of graphical templates. The metamodel defines the elements in an object-oriented model such as classes and properties. It is essentially the same thing as the metamodel in object-oriented programming (OOP), however for OOP, the metamodel is primarily used at run time to dynamically inspect and modify an application object model. The UML metamodel provides a mathematical, formal foundation for the graphic views used in the modeling language to describe an emerging system.