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UML projects

UML

UML is the acronym of Unified modeling language it was created in 1994 and upgraded until 2017.

The software engineers use this model to project software.

Class and object

A program is created modeling a set of classes

A class is defined by a name and a set of properties.

example:

Book
title: String
year: int
author: String

The level of the classes is called intentional level

an Object is an instance of a Class and is indicated with an univocal identifier.

example:

divina_commedia
title: “divina commedia”
year: 1321
author: “Dante Alighieri”

The level of the classes is called extensional level

Important cases in UML

this section is very useful to comprehend how modelling an UML scheme.

The answer is yes.

example: