UML - What’s It?
18 August 2006UML stands for Unified Modeling Language. The UML provides a language-neutral, tool-supported, well-documented standard for modeling systems such as web applications. It enables system requirements, structure, and behavior to be succinctly captured and effectively communicated.
As explained by Duncan Jack in August 2005’s JDJ, UML is interpreted as:
- Unified: The result of unifying three leading approaches to system modeling in the 1990s
- Modeling: concerned with the simplified representation of system structure and behavior
- Language: A language, not a methodology.
The UML is not a methodology. It is a diagram-based language. This point is important.
The UML contains 6 structure diagrams and 7 behavior diagrams. The most commonly used diagrams are:
- Use case diagram (behavior)
- Activity diagram (behavior)
- Class diagram (structure)
- Sequence diagram (behavior)
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