UML核心概念

1 What is UML?

      Unified Modeling language: A general purpose visual modeling language for systems, open industry standard.

      UML is designed to incorporate current best practice in modeling techniques and software engineering.

      UML is not a methodology.

        - Most methods consist, at least in principle, of both a modeling language (such as UML) and a process.

        - Process: an advice on what steps to take in doing a design.

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