8 types of UML Diagrams

Started by thiruvasagamani, Jul 02, 2008, 08:44 PM

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UML (Unified Modeling Language) is a general-purpose modeling language used to represent the structure of complex software in a visual form, and employed in software engineering. UML diagrams are also efficient for documenting complex computer systems and software. Such visual models facilitate communication between the customer, system analysts and programmers, who write the source code.

There are 8 types of UML diagrams:
Use case diagram;

      Diagrams of this type represent a list of operations performed by the system. Such diagrams are also called functional diagrams, as the list of the system's functions is created based on them, in accordance with the specified requirements.

      Use case diagrams are used to describe business processes in automated applications and to define requirement for software to be developed. They depict objects from the system and application domain as well as the tasks performed by them.

      To draw diagrams of this type, use the UML Use Case Diagram library in ConceptDraw PRO.

Deployment diagram;

      UML diagrams of this type serve to analyse the hardware used in system implementations, interaction between the processor and other components. As a rule, such diagrams are used in the beginning of designing to determine the hardware configuration of the system.


      Use the UML Deployment Diagram library to create such diagrams in ConceptDraw PRO.

Statechart diagram;

      Statechart diagrams serve to model possible states of the objects in the system. They also depict the sequence of actions required for transition between the states.


      Use the UML Statechart Diagram library to create such diagrams in ConceptDraw PRO.

Activity diagram;

      Same as Statechart diagrams, such diagrams show the states of objects in the system. The difference is that they can also depict forks for transitions from one state to another. These diagrams can be used to describe behavior algorithms of objects. You may also use them to create flow charts.

      In ConceptDraw PRO such diagrams are represented in the UML Activity Diagram library.

Sequence diagram;

      A type of interaction diagram. Sequence diagrams describe a sequence of interactions between objects.


      To draw such a diagram, use the UML Sequence Diagram library.

Collaboration diagram;

      A collaboration diagram is also a type of interaction diagram, but unlike sequence diagrams these diagrams instead of the sequence of interactions between objects describe all variants of such interactions, regardless the sequence.



Class diagram;

      They help to create graphical logical models of a system, further used to create the source code for the classes represented on the diagram. UML class diagrams describe relationship between classes and interfaces.
      We recommend using the Booch OOD template from the Software section in ConceptDraw PRO Template Gallery to create class diagrams.


Component diagram;

      On diagrams of this type, also known as module diagrams, classes and objects are distributed by components or modules. This is very convenient for designing large systems which may count hundreds of components.

Thiruvasakamani Karnan

medha sharma

excellent overview of uml types of diagram.................

pradeep prem

super work of uml diagram
this should be able in main types of diagram

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