Unified Modeling Language

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The Unified Modeling Language (UML) is a general-purpose, developmental, modeling language in the field of software engineering. UML is used to provide a standard way to show what the design of a system looks like.

UML was originally developed to standardize the different notational systems and approaches to software design. It was developed by Grady BoochIvar Jacobson and James Rumbaugh at Rational Software in 1994–95, with further development led by them through 1996.

In 1997, UML was adopted as a standard by the Object Management Group (OMG), and has been managed by this organization ever since. In 2005 the Unified Modeling Language was also published by the International Organization for Standardization (ISO) as an approved ISO standard.