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13 Feb 2023, 16:10 GMT+10
A UML diagram is a graphical representation of a system to define its components, classes, objects, and methods. These diagrams consist of various shapes to represent something in a system. It is an easier way to understand the software and its working instead of going through its documentation.
Generally, UML diagrams are categorized into Structural and Behavioral diagrams. But the real question is, how do you draw them? We use different applications, like EdrawMax or Lucidchart, for this purpose.
If you have no experience making UML diagrams, there is no need to panic. This guide will cover everything in simple steps so you can follow them easily. Let's get started!
The first step is to choose the right application. Let's go with EdrawMax as it is a very-feature rich tool for drawing UML diagrams. It has a vast library of digital components to make a detailed and highly functional system diagram.
That said, here's how to create a UML diagram x using EdrawMax.
EdrawMax provides 14 unique export options. It includes PNG, JPG, HTLM, Word, xlsx, etc. Also, if you want to save the file in default EdrawMax format, eddx. All you need is to click the Save As button and choose a location.
You might wonder why we used EdrawMax as the UML diagram tool. Surely, there are many other applications designed specifically for this purpose. But EdrawMax has some features that make it the ultimate tool of its kind.
Here's why EdrawMax you should opt for EdrawMax to draw UML diagrams:
EdrawMax is an easy-to-use application. All of its options are available in a simple interface, making it easier for a beginner to learn more quickly. On top of that, it is equipped with all the chart-specific symbols. All symbols can be placed using a drag-and drop feature. So, it's the best option if you want to make a quick chart.
EdrawMax has hundreds of editable templates. All you need is to choose one and open it in the editing screen. Now, you can modify it according to your requirements. This way, you can learn to draw UML diagrams faster. Also, you can use the edited diagram as your own.
Not many tools allow you to save a project in different formats. But EdrawMax offers support for various formats. You can export your UML diagrams in PS, HTML, SVG, PDF, DOCX, XLSX, etc. The best part is that it works the same for all formats. Simply head to the Export option from File and select the desired option.
EdrawMax has a large library of digital assets. It includes object relationships, activity states, communication diagrams, components, deployment diagrams, sequences, use cases, and state charts.
If you do not find the required element from the left toolbar, EdrawMax allows you to add more symbols from other diagrams and projects. In short, you can create the ideal UML diagrams in just a few steps.
UML diagrams lay out all the details of a system graphically. By following the classes, objects, and components, it is very easy to understand the software. But beginners might not get the entire system by looking at its diagram.
So, how to read a UML diagram? You can do so by dissecting it. Understand all the components individually and then see how they are linked to each other. Every UML diagram consists of some similar fundamental features. They are:
It is a real-life entity that makes up a class. An object is the instance of a class in a UML diagram. It represents a person, thing, or action. Graphical representations consisting of objects are known as Object diagrams.
A class is nothing but a group of objects possessing similar properties. It represents the static view of an application. Classes consist of:
In simple words, relationships are the connections between two or more elements. In UML diagrams, we create relationships between classes, packages, interfaces, and components.
There are different types of relationships, including Composition, Association, Inheritance, Realization, Aggregation, and Dependency.
A role represents the participation of an object in the UML diagram. It may or may not be the same in different objects.
Making UML diagrams isn't as complex as you think. If you aren't a designer and is your first-time creating diagrams, you can use EdrawMax templates. They provide you a roadmap on how to make effective UML diagrams. Also, they are completely editable, so you can change these templates into your own.
After getting some experience, start creating diagrams from scratch. It will give you an upper hand as you have worked on many templates. Thus, you will have a sound idea of how to draw UML diagrams of different systems.
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