Unified Modelling Language (UML) A graph ohio cal language for Visualising Specifying Constructin g Documenting Object-oriented software systems ·OMG( Object management Group国际对象管理 组织) is responsible for UML standard4 Unified Modelling Language (UML) • A graphical language for – Visualising – Specifying – Constructing – Documenting • Object-oriented software systems • OMG (Object Management Group国际对象管理 组织) is responsible for UML standard