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INTERVIEW QUESTION:

What is UML?

Posted by Chris Adams

// 8097 Views // 1 Additional Answers & Comments

Categories: Business Analysis, Systems Analysis, Unified Modeling Language (UML)

ANSWER

UML stands for Unified Modeling Language.

UML is an industry standards used to assist analysts and programmers with developing scalable, extendable, maintainable, secure, and robust applications. Large systems tend to be very complex and structure is one way of dealing with complexity. UML provides a common language for analysts and programmers throughout the IT industry to organize and structure complex systems in a way that can be understood by everyone involved. It allows IT professionals to specifiy, visualize, and document models of a software system, both structurally and behaviorally.

UML defines thirteen different types of diagrams which are categorized and group over three different types of areas as follows:

UML Structure Diagrams: Class Diagram, Object Diagram, Component Diagram, Composite Structure Diagram, Package Diagram, and Deployment Diagram.

UML Behavior Diagrams: Use Case Diagram, Activity Diagram, and State Machine Diagram.

UML Interaction Diagrams: Sequence Diagram, Communication Diagram, Timing Diagram, and Interaction Overview Diagram.

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ADDITIONAL ANSWERS / COMMENTS

analyst1 posted on Thursday, January 13, 2011 3:14 PM

Unified Modeling Language (UML) is a standardized general-purpose modeling language in the field of software engineering. The standard is managed, and was created by, the Object Management Group. UML includes a set of graphic notation techniques to create visual models of software-intensive systems.
The Unified Modeling Language (UML) is used to specify, visualize, modify, construct and document the artifacts of an object-oriented software-intensive system under development. UML offers a standard way to visualize a system's architectural blueprints, including elements such as:
• activities
• actors
• business processes
• database schemas
• (logical) components
• programming language statements
• Reusable software components.
UML combines techniques from data modeling (entity relationship diagrams), business modeling (work flows), object modeling, and component modeling. It can be used with all processes, throughout the software development life cycle, and across different implementation technologies. UML has synthesized the notations of the Booch method, the Object-modeling technique (OMT) and Object-oriented software engineering (OOSE) by fusing them into a single, common and widely usable modeling language

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