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UML Class Diagram - Create UML Class Diagrams

> UML Diagram How-Tos > UML Class Diagram - Create UML Class Diagrams
Posted by Daniel Belisario | 04/23/2020
UML class diagram represents the static view of an application, which can be used both for general conceptual modeling and detailed modeling. Here is a guide on how to create UML class diagrams.

This article will cover two parts:

  • Introduction of UML Class Diagram
  • How to Create a UML Class Diagram

Introduction of UML Class Diagram

UML class diagram, a type of static structure diagram, is composed of classes, interfaces, associations, collaborations and constraints. Generally, the UML class diagram is used for visualizing, describing and documenting various aspects of an application but also for constructing executable code of the software application.

UML Class Diagram

Following is a step by step tutorial about how to create UML diagram with a professional UML Diagramming Tool.

How to Create a UML Class Diagram

With the help of this UML Diagramming Tool, it's easier than ever to create a UML class diagram, its rich pre-made shapes and smart connectors in the library enables you to get started quickly.

EdrawMax: a swiss knife for all your diagramming need

  • Effortlessly create over 280 types of diagrams.
  • Provide various templates & symbols to match your needs.
  • Drag and drop interface and easy to use.
  • Customize every detail by using smart and dynamic toolkits.
  • Compatible with a variety of file formats, such as MS Office, Visio, PDF, etc.
  • Feel free to export, print, and share your diagrams.

Step One: open a UML Diagram Template for creating UML class diagrams

Go to File menu > New > Software, and then double click the icon of UML Model Diagram.

UML Class Diagram template

Step Two: add UML class diagram shapes

Drag and drop shapes from the left libraries.

Add UML Diagram Shapes

Step Three: connect UML class diagram shapes

Click Connector under Home tab, and select a kind of connector, then rest the pointer over a connection point of the shape you want to connect.

Connect UML Class Diagram Shapes

Tips: you can also lay out UML class diagram shapes as you like:

  • Use the auto alignment tool under Home tab to align shapes. When moving a shape, the dynamic guidelines show to help you align it with the nearby shapes.
  • To space shapes evenly, click Distribute in Arrange group under Home tab.
  • To locate the whole diagram in the center, click Center in the Arrange group under Home tab.

Lay out  UML Class Diagram Shapes

Step Four: add UML class diagram contents

Double click a shape to type in text. It is also available for you to customize the size, color and alignment.

Add UML Class Diagram Contents

Step Five: save or export UML class diagram

Hit Save on File tab to save as the default format .eddx, or choose Save as on File tab to save as other formats.

Note: you can also choose to save in local files or save in personal or Team Cloud.

save UML Class diagram

Click Export & Send under File to export the UML class diagram to other formats including PowerPoint, JPG, PDF and so on.

Export UML Diagram

Here are some UML diagram examples for your reference.


Read Also:

UML State Diagram: A Useful Guide

Example of UML Diagrams

UML Activity Diagram: A Complete Guide

UML Package Diagram - Create UML Package Diagrams

Easy Guide for Creating UML Collaboration Diagrams

Get Started! You Will Love This Easy-To-Use Diagram Software

EdrawMax is an advanced all-in-one diagramming tool for creating professional flowcharts, org charts, mind maps, network diagrams, UML diagrams, floor plans, electrical diagrams, science illustrations, and more. Just try it, you will love it!