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The Umple Model-Oriented Programming Technology

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Umple is technology for Model-Oriented Programming. It adds abstractions such as UML associations, attributes, and state machines to object-oriented programming languages such as Java, C++, PHP and Ruby.

A developer can use Umple in one of several ways. They can start with a pure model, containing only classes, associations, attributes and state machines, and then gradually add methods in one of the base languages to the Umple code base. Alternatively a developer can start with a normal program in a language like Java, and add modeling constructs in very small increments, gradually moving their system from a code-centric system from a model-centric system. Either way, Umple provides top-quality code generation.

Umple is being used, for real systems. In fact the Umple compiler itself was written in Umple. Any Java, C++ or PHP project could use Umple.

The UmpleOnline web app provides a quick way to explore the Umple approach. It is at

umple Web Site


  • Generate code from UML
  • Generate UML class diagrams and state machine diagrams from a textual form of UML
  • Edit UML diagrams online
  • Embed UML in Java, C++ or PhP


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Additional Project Details

Intended Audience

Education, Developers

User Interface

Web-based, Console/Terminal, Eclipse

Programming Language



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