Top 5 Free Online Courses to Learn Eclipse and JUnit for Beginners in 2021 - Best of Lot

Both Eclipse and JUnit are two of the essential tools for Java Developers. Eclipse is a Java IDE, Integrated Development environment which allows you to code, run, and debug Java program from a single window. At the same time, JUnit is a unit testing library that will enable you to test your Java code automatically. You can write JUnit tests, and then you can run them automatically using Maven or Gradle plugin at build time. You can further automate your build using Jenkins, which means your Unit test will run continuously and automatically, reporting any break at the earlier possible opportunity.

Many Java developers spend their whole workday on Eclipse writing code, running them, and debugging them. That's why it's very important for you to have a good understanding of both Eclipse in JUnit. It also helps to know your tools to be good at what you are doing.

In the past, I have shared some useful Eclipse and JUnit books to improve your knowledge and skills about these two fundamental tools. And today, I am going to share some of the free online courses from Udemy and Pluralsight, which you can join to improve your JUnit and Eclipse skills.

These courses are particularly suitable for beginners, and you will learn everything you need to work in Java effectively. By learning this tool at the start of your career, you will save a lot of time for writing and running your code. Btw, intermediate developers can also benefit from these courses.

These courses are suitable for any Java developer who wants to learn Eclipse and JUnit or either of the technology from scratch. They are absolutely free, so there is no reason why you can't join them.

Btw, if you are starting with Java, I suggest you also take a look at  The Complete Java Masterclass by Tim Buchalka. Even though the course uses IntelliJIDEA, it's well worth learning Java from this course as It's the most up-to-date and comprehensive course for Java Programmers.

5 Free JUnit and Eclipse Courses for Java Programmers

Learning a new technology or programming language is not that easy. You need to spend a considerable time to learn and understand not only the technology but also the tools you need to work effectively, and Java is no different.

Eclipse and JUnit are two of the essential tools for Java developers, and a good knowledge of them goes a long way to becoming an effective and powerful Java developer.

When it comes to learning a new technology or tool, my 3 point rule is to join a course, read a book, and do a project. To learn Eclipse or JUnit, you can also adopt the same approach.

You can start with these courses, then you can follow these Eclipse and JUnit books, and once you have a good understanding of both technology and tool, then you can start doing projects.

1. Eclipse Tutorial For Beginners [Free Udemy Course]

This is one of the excellent courses to learn the basics of Eclipse for free. The course is designed for beginners and first times, and it not only teaches but also shows how to do stuff in Eclipse.

In this course, you go on a fun ride with Eclipse.

After completing the course, you should have many Eclipse tips and tricks up your sleeve. You will also understand various features of Eclipse like Views, Perspectives, Debugger, Save Actions, Plugins, and Code Generation.

The course will also improve your productivity with Eclipse Shortcuts, and you will also learn to import projects from Git and the basics of Maven projects. Overall an excellent course to start with Java Development with Eclipse.

free course to learn Eclipse for Java developers

2. JUnit 5 Quick Start: Java Unit Testing  [Udemy Free Course]

JUnit is another skill which many Java developer posses but not just good enough. Most of the Java developer I have met and interviewed knows what is a JUnit and have written one or two trial JUnit tests but they never really use JUnit to test their live project or new code they are writing every day.

Most of them will give you excuses like there is always delivery pressure, absolutely no time to write unit tests or TDD. Still, the main reason for avoiding unit testing is often low confidence and not having enough skill and experience to write a unit test for any kind of code.

In a nutshell, this course will teach you:
  • how to create a new project for JUnit Tests
  • how to create, Run, and  Debug JUnit Tests
  • how to write Good Unit Tests
  • how to use assert methods
  • how to use necessary JUnit Annotations - @Test, @Before, @After, @AfterClass, @BeforeClass, @Suite
  • how to test Performance and Exceptions in Unit Tests
  • how to write Parameterized Tests
  • Adhere to JUnit Best Practices
  • How to understand test output and much more. 
This JUnit tutorial will help you to bridge that gap and teach you all the essential concepts of unit testing and the JUnit testing framework.  And, most importantly, how to use Eclipse to write and run JUnit Tests for your Java code.

free course to learn JUnit 5 for beginners

3. Eclipse IDE for Beginners: Increase Your Java Productivity

This is another beginner-level course on Eclipse for Java developers. You can take this course to learn how to develop a Java application with Eclipse.

The course will teach you how to install Eclipse and customize Eclipse for your environment using useful plugins. You will also learn how to create Java applications in Eclipse and how to run and debug them right from Eclipse.

The course also teaches you how to make use of a number of Eclipse productivity techniques such as navigating the source code, generating source code, and creating unit tests. The course wraps by showing you how to import and export projects from Eclipse.

best course to learn and Master Eclipse IDE

4. Eclipse tips and tricks

As the title suggests, this course is focused on teaching some useful Eclipse tips and tricks. Most of the Java developers remain content by just knowing how to create a Java project and run that from Eclipse.

They never really utilize the full potential of Eclipse by learning keyboard shortcuts and productivity tips and tricks like the one shown in this course.

This course not only tells you how to run and debug your program but also some advanced tips about dealing with character encoding, Eclipse built path configuration, using Maven with Eclipse, and faster installing of the plugin you need for better productivity.

It also teaches you how to work behind a corporate proxy and how to connect to the maven repository and Eclipse marketplace from a corporate network. Overall, a fantastic course to upgrade your Eclipse knowledge free of cost.

5. Unit Testing In Java With JUnit [Pluralsight]

This is another excellent unit testing course for Java developers from one of my favorite instructors, John Sonmez. In this course, John explains the basics of JUnit and guiding you to write your first unit tests.

Once the basic is covered, you will be introduced to the advanced concept, which will help you to write clean tests and use best practices like DRY for creating a maintainable test code.

After that, you will learn how to integrate JUnit with your existing Ant or Maven build system and how you can automate the creation of JUnit reports.

Finally, we'll wrap things up by going beyond the basic uses of JUnit by learning how to use stubs and mocks to really isolate classes, and we'll also learn how to use JUnit for more than just unit testing.

free course to learn unit testing in Java

In short, an excellent course to learn JUnit in a quick time and start writing your first unit test. Btw, this course is not really free. You need a Pluralsight membership to access this course. A monthly membership will cost you around $29, and the annual one will be around $299, which gives you access to more than 5000 programming and development courses.

Though I encourage you to join Pluralsight to give your learning a boost, if you want, you can also take this course for free by signing up for a 10-day free trial, which is more than enough to complete this course.

That's all about some of the Free JUnit and Mockito online training courses you can take to learn and improve your unit testing skills in Java. As I have said many times, unit testing skill is essential for professional software developers, and there is no excuse for not writing automated unit and integration test at the age of DevOps. The candidate's unit testing skill is also tested during the interview, and often candidates with excellent unit testing skills are preferred.

Other Free Online Courses you may like to explore

Thanks for reading this article so far. If you like these free Eclipse and JUnit courses, then please share them with your friends and colleagues. If you have any questions or doubt then, please drop a note.

P. S. - If you want to learn Java from Scratch, I also suggest you join The Complete Java Masterclassone of these best Java online courses to learn Java from scratch. Even though the course uses IntelliJIDEA, it's well worth learning Java from this course.

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