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| − | ==Software==
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| − | Software required for this course: Visual Paradigm (Community Edition)
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| − | You must register but it is a free trial version
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| − | Link to Visual Pardigm community edition (free):
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| − | http://www.visual-paradigm.com/download/community.jsp
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| − | ==Xtra-vision express URL <span style="background:#00FF00"> (Importante: revisar esto para la próxima clase) </span>==
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| − | Click https://xtra-vision.ie/how-it-works/ link to open resource.
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| − | ==UML==
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| − | The UML (Unified Modeling Language) is an international industry standard graphical notation for describing software analysis and designs.
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| − | ===Fundamental UML models===
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| − | There are five fundamental UML models:
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| − | * Use case model
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| − | * Class model,
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| − | * Sequence model
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| − | * State model
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| − | * Activity diagrams
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| − | ====Use case model====
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| − | The use case model consists of:
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| − | * A use case diagram,
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| − | * A set of use case descriptions,
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| − | * A set of actor descriptions, and
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| − | * A set of scenarios.
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| − | =====A use case diagram=====
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| − | The use case diagram models the problem domain graphically using four concepts:
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| − | * The use case,
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| − | * The actor,
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| − | * The relationship link, and
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| − | * The boundary.
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| − | '''UML symbols used to model these concepts:'''
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