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What is UML?

What is UML?

UML(Unified Modeling Language ) is a modeling language to construct and document object-oriented systems. UML provides useful tools for System Analysis and Design. The system analyst will use the UML tools to break down the System Requirements.

There are several diagram types in UML. Some of them are listed below.

Structure

Some examples of Structure diagrams in UML are as follows:

  • Class diagrams
  • Deployment diagrams

 

UML diagrams model the System under development. The Class diagrams describe the classes, objects, and object associations, as the responsibilities, collaborators, and attributes of the objects.(CRC cards). Class diagrams show the design by refining UML diagrams to derive classes and their attributes and methods.

Behavior

Some examples of Behavior diagrams in UML are as follows:

  • Use case diagrams
  • Activity diagrams

The use case model describes the use cases and actors.

 

UML

 

Interaction

Sequence diagrams

UML Tools

Some of the tools for UML are:

UMLet

https://www.umlet.com/

Visual Paradigm

https://www.visual-paradigm.com/solution/freeumltool/

StarUML

http://staruml.io/

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