In this article we present you with the very best online Java courses.

These courses are mostly geared towards those of you that are new to Java, or new to programming in general.

An online course is an investment in your development as a software developer, but as an investment, it comes at price.

Luckily, we’ve made a list of the best online Java courses so that you don’t have to worry about making the wrong investment.

These are 15 courses you can be sure will be well worth the money as an investment into your own future.

1. Java Programming Masterclass for Software Developers

Review best score

Java Programming Masterclass for Software Developers is one of the best rated Java courses on Udemy.

The course currently has more than 88,000 reviews, with a total rating of 4.6 out of 5.

The instructor for this course is the eccentric Australian Tim Buchalka.

Tim Buchalka has a total of 9 high-quality courses on Udemy, and this course is no exception.

The course currently contains 389 lectures, with more than 78 hours of video content.

Java Programming Masterclass for Software is designed to make you ready for an actual job as a professional Java developer.

The course covers everything from basic concepts like java methods, statements and code blocks – to more advanced subjects like Java Network Programming and the Java Module System.

The lectures are neatly organized into small and comprehensive modules, so there’s no need for you to actually grind through all the 78 hours if you don’t feel the need for it.

This course is updated for both Java 8 and Java 11, and covers all the basics you need before you dive into various Java frameworks, like Spring or Java EE.

Click here to read more about the course!

2. Java Programming: Solving Problems with Software

Review best scoreWe love this particular course because it is an excellent place to start when it comes to the average beginner Java programmer.

Not only does it allow you an excellent grasp of the Java programming language as a beginner, but it also covers topics and concepts deep into the heart of the art of software engineering itself.

As such, this course is almost a two-for-one as it not only will teach you Java but also get you familiarized with all the essentials of software engineering.

Furthermore, this course is provided by brilliantly prestigious Duke University.

Duke is an exceedingly well-respected school around the world and especially in the U.S, and this course is no exception to their high academic standard.

It has had 125,000 students enroll in it in total, and rests at a lofty 4.6 stars.

Click here to read more about the course!

3. Java In-Depth: Become a Complete Java Engineer!

Review best scoreYet another great Java course that will help you on the way to become a professional Java engineer.

The instructor for this course is Dheeru Mundluru, which has both a PhD in Computer Science and experience from various jobs in Silicon Valley.

The course has a rating of 4.4 out of 5, based on more than 6,000 reviews.

This in-depth Java course covers basic concepts like classes and objects, as well as more advanced concepts like concurrency and database programming.

There’s actually a total of 5 hours explaining various concurrency concepts.

This is great, since concurrency is both hard and important to master.

Interestingly this course also has it’s own dedicated module covering the JVM (Java Virtual Machine) internals,  which is almost always overlooked in beginner courses.

Apart from this there’s also a complete module covering functional Java (introduced in Java 8), explaining important concepts like lambdas and streams.

Click here to read more about the course!

4. Java Programming for Complete Beginners - Learn in 250 Steps

Review of 5Who doesn’t like step by step tutorials?

This Java course is designed to teach you Java in a step-by-step fashion, with examples and puzzles after each module.

This is a great hands-on approach which forces the student to actually get some experience doing actual programming, not just watching videos of other people programming.

The course has over 200 hands-on code examples, with varying difficulty.

Most of the important Java beginner concepts are included in this course, but we’d like to see a module on Networking too.

We’d also like to see that the instructors went more in-depth into the important concept of Java generics, which is only briefly mentioned in a few short lectures.

All in all a good starting point for Java beginners, but it lacks a bit specificity for some important concepts.

Click here to read more about the course!

5. The Complete Java Certification Course

Review of 5Yet another Java course with a lot of content – a total of more than 17 hours.

The instructor is good at explaining key Java concepts, and does seem like a really knowledgeable Java engineer.

The course covers basic concepts like variables and data types, as well as more advanced concepts like concurrency and database connectivity.

One thing we really liked is that the instructor gives a brief introduction to SQL before diving into the subject of JDBC (Java Database Connectivity).

All over it is a great course, but it does have a few shortcomings;

We’d definitely like to see more lectures on Java generics, and it would be great if the instructor could provide the source code for each lecture.

Click here to read more about the course!

6. Computer Science: Programming with a Purpose

Review of 5This course, provided by the extremely prestigious and Ivy-League Princeton University, is an excellent wholistic approach to both computer science and the Java programming language.

It is a bit of a newer course, but we personally believe this to be an excellent course on all levels.

The course’s curriculum takes a very traditional path from the ground up regarding programming, and while it is very concept-focused (that is to say computer science concepts), you will absolutely walk away from this course having a very good foundational understanding of how to use Java.

Furthermore, because this course focuses so intently on the theory of computer science itself, you will find yourself readily able to learn other languages.

If you are somebody who enjoys the theory of a craft just as much as the material of it, then this is absolutely the course for you.

It is a new course, with 4.8 stars and 7500 total students.

Click here to read more about the course!

7. Java Programming: Principles of Software Design

Review of 5As part of the same specialization as the first entry in this list, we recommend that you go into this course with some basic knowledge of how to program, preferably in Java.

Other than that, this course, also by Duke University, is a LOT of fun for beginners.

If you are the sort of person who enjoys building software that you can be proud of above all else, then this is absolutely the course for you.

You’ll learn how to intelligently command sorting algorithms, and indeed implement some of your own and more importantly learn how to implement Java’s “Comparable” interface.

By the end of the course you will have written your own data analysis program and indeed even a predictive text generator!

If you’ve already acquainted yourself with the basic concepts in Java (functions, OOP, basic inheritance) then you’re all ready to go on this course which will surely take you to the next level of your Java experience.

This course has 4.6 stars and 53,000 students.

Click here to read more about the course!

8. Programming Java for Beginners - The Ultimate Java Tutorial

Review 4This course is aimed towards those of you that are completely new to Java.

The course will not make you ready to work as a professional Java developer, but that’s not what it’s designed for either.

With a rating of 4.5 and more than 50,000 students enrolled, the instructor must be doing something right.

The instructor will walk you through key Java concepts like data types, variables and decision making.

The course does not include resources advanced concepts like Java collections (apart from the ArrayList), streams, networking and concurrency.

However, it is a short and concise Java course – which makes it a great resource for anyone looking to get an introduction to Java world to find out if programming in Java is something they want to pursue or not.

Click here to read more about the course!

9. Become a Junior Java Software Developer

Review 4This is a practical course which provides you with many of the important concepts you need to understand to become a Junior Software Developer.

This course gives a satisfying introduction to basic Java programming, but we’d definitely like to see more content on concurrency, database connectivity and networking.

One thing we really do like about this course is that it gives you an introduction to both Git and algorithmic thinking.

This is actually very important for anyone aspiring to become a Java developer, and Git is present in almost any programming environment in the real world.

Click here to read more about the course!

10. Java for Android

Review 4Ever wanted to learn how to build your own mobile app but don’t know that much about how?

Java for Android is a course provided by the prestigious Vanderbilt University that takes you from the very basics of software engineering (little to no prior experience required!) and will have you building your very own app in no time.

This is a course which both shows you the basics of Java (which Android apps use) while also walking you through the ins and outs of using Android SDK (which is the actual software used to write and build Android apps.)

We’ve not seen a simpler yet comprehensive course that will bring you in a matter of weeks from knowing almost nothing about programming to being able to write a fully functional Android app with Java.

You’ll even learn the fundamentals of object-oriented programming, which is a crucial concept for any developer to understand.

This course has 4.5 stars and 82,000 students.

Click here to read more about the course!

11. Java Programming: Arrays, Lists and Structured Data

Review 4This is the third item in the list that is from Duke’s specialization on Java programming, but for good reason.

Duke has produced an excellent set of courses with regards to Java and are indeed the most popular beginner Java courses on Coursera right now.

While this course’s scope isn’t quite as wide as we would like to see for a beginner-level course, we do think that this laser-like focus on data structures that this course has can be very useful for some budding software developers out there.

If you have ever wondered what the most efficient methods of storage are for large sets of data, or how to safely keep data that has sensitive information, than this is a perfect course to get started on today.

You will learn concepts from everything from cryptography to intermediate data structures and everything in between.

Because of how valuable understanding how computers store data is, we believe this course absolutely belongs on this list.

It has 4.7 stars and 62,000 students.

Click here to read more about the course!

12. The Complete Java Developer Course

Review 3 starsThis resource is a good introductory course to Java.

It covers basics concepts like variables, decision making and loops.

There is also a total of 1.5 hours of video content on OOP (Object Oriented Programming), which is a must in any introductory Java course.

Although it’s a good course, it may feel a bit rushed.

We simply feel that the instructor doesn’t allocate enough time to explain some of the key concepts in detail.

One of the most important topics to learn for any Java developer is the core Java Collections – which is only briefly mentioned in this course.

As a side note, if you’re not a native English speaker, it might take some time to get used to the instructors accent.

Click here to read more about the course!

13. Learn Java Programming Crash Course

Review 3 starsYet another good Java course developed by Tim Buchalka (among others).

This course will give you an introduction to the Java programming language, and explains the concept of methods in great detail.

One thing we really like about this course is that it has its own dedicated module about Java Strings.

Strings are really important in any programming language, and is one of the concepts you simply must know about the be a successful Java programmer.

However, we’d definitely like to see a module on Object Oriented Programming, which simply isn’t included in this course.

Click here to read more about the course!

14. Introduction to Java for Programmers

Review 3 starsThe instructor for this course has more than 15 years of experience in Java, and has been teaching Java professionally for more than 10 years.

Overall this is a great introductory course to Java, and you’ll be given a thorough explanation to the most important basic concepts of Java.

One thing we really like about this course is the hands-on approach, with programming lab exercises after each module.

The course does however not include any resources about concurrency, networking or database connectivity – but it does provide you with all the fundamentals you need to go on researching those concepts yourself.

The course is centered around Java 7, so it does not include new and important concepts that were introduced in Java 8 – like lambda expressions, streams and pipelines.

Click here to read more about the course!

15. Java for Absolute Beginners

Review 3 starsJava for Absolute Beginners is, as the name suggests, a course aimed at those completely new to Java.

The course gives an introduction to concepts like variables, loops and arrays, which is a must for any aspiring programmer.

The most advanced concept in this course is OOP (Object Oriented Programming), where you will be given an introduction to both encapsulation and composition.

We do however feel that the module on OOP should be explained in a bit more detail.

Click here to read more about the course!

Good luck!