UML Refresher

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UML stands for Unified Modeling Language. It is a standard notation to model software and may be considered the reference in object modeling. For a full UML refresher see Tutorials Point.

A class diagram consists of a set of entities representing classes, notes and others items. More information is given in the following figure.

A class entity consists of the class name, attributes and operations (methods). The different kinds of associations are given in the next figure:

A use cases diagram represents the system requirements. This explain what the system capabilities and how it interacts with the different actors. See the following figure.

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