UML Class Diagram using Raptor

Overview

In this tutorial, we will learn the steps involved in creating UML Class diagram using Raptor Flowchart tool. UML class diagrams describe the classes and the  relationships between them. Class diagrams help the developers to get initial design ideas of an object oriented system under development. Class diagrams show how classes in the system relate to other classes in the system.

Class

A class is represented using a rectangle and split into multiple sections. The sections of the class in the diagram are:

  • Class name
  • Instance variables or attributes
  • Methods

 

ClassName Class Diagram

Class can have multiple attributes and methods.

UML Notation

A variable and the type are separated with colon(:)

<variable name>:<datatype>

static variables are underlined in the class diagram.

Method syntax in the diagram.

methodName(paramter1: datatype,parameter2:datatype,..) : methodReturnType

Abstract methods are italicized in the class diagram. Constructors do not have return types.

Class Relationships

Class relationships in the class diagram can be shown in many ways using lines and arrows. We will talk in detail in upcoming posts.

 

Raptor Tutorials on this website can be found at:

https://www.testingdocs.com/raptor-a-flowchart-tool/

RAPTOR official website: https://raptor.martincarlisle.com/

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