11 Best Core Java Online Courses for Experienced Java Programmers in 2024
These are the best online courses for core java developers to learn skills like multithreading, Collections, JVM, performance, modules, design patterns, Stream API, and tools like Docker and Kubernetes.
Hello guys, I have shared a lot of books and courses for beginner Core Java developers in the past but A lot of my readers have been asking me for advanced Java courses to improve topics like Java collections, Stream API, Design Patterns, Concurrency, Java Performance, Generics, Garbage Collections, and new features introduced in recent Java releases like Java Modules System.
If you also had that question in mind and looking for some great courses to learn core Java in-depth, then keep reading.
In this article, I am going to share some of the advanced core Java courses for experienced programmers. These are the courses you should take to truly master Java programming concepts like multithreading, collections, JVM internals, tools, libraries, and become a Java expert that every company wants to hire, particularly big investment banks.
Similarly, if you aim to get a job at banks like JP Morgan, Citibank, Barclays Capital, Morgan Stanley, and others, then these online courses can provide you strong foundational knowledge and an in-depth understanding of Core Java required to get a job and work on those companies.
As I stated in the title, this course is for intermediate and experienced Java developers, which means, someone how knows the basics of Java and worked in Java sometimes. Even if you have worked for Java for six months to a year, you can benefit from these courses to take your Java skills to the next level.
If you are new to Java, then it’s better to start with a comprehensive Java course like The Complete Java Masterclass by Tim Buchalaka on Udemy instead of joining these advanced courses. That will provide you all the basic knowledge a Java developer needs to know in a more structured way.
10 Best Courses to Learn Core Java in depth
Without wasting any more of your time, here is my list of some of the best Core Java courses for experienced programmers.
1. Java Multithreading, Concurrency, and Performance Optimization
Multithreading and Concurrency is one of the most sought after skills for Java developers. There is a high demand for Java developers who understand Multithreading and Concurrency well, but at the same time, this is one of the difficult topics to master.
If you want to take your Concurrency skills to the next level and want to become an expert in Multithreading, Concurrency, and Parallel programming in Java, with a strong emphasis on high performance, then I highly recommend this course to you.
There is a reason I kept it in the first position because this is probably the most important course on this list and highly recommend every Java developer to go through it.
Here is the link to join this course — Java Multithreading, Concurrency, and Performance Optimization
2. Java Application Performance and Memory Management
Memory management and Application Performance troubleshooting is another topic where many Java developers struggle.
While Java is much easier when it comes to Memory management, particularly when compared with languages like C++, you need to know some JVM things as a Java programmer.
This is a great course to learn how to tune the JVM and make good coding choices to ensure your applications perform optimally. If you are wan to write high-performance Java application or your job involves performance improvement of legacy applications, then this course is for you.
Here is the link to join this course- Java Application Performance and Memory Management
3. Java Memory Management
This is another course on JVM memory management, and you can check out this course if you can’t connect with the instructor in the second course.
This one also covers all things Java professionals need to know about memory, garbage collection, tuning the VM, and avoiding memory leaks in Java.
It’s also very affordable, and you can buy it for just $10 in Udemy flash sales, which happens every month.
Here is the link to join this JVM course — Java Memory Management
4. Java 9 Modularity: First Look By Sander Mak
One topic which I still need to master is the Java Module system, and that’s why I started looking at this course.
While the Java Module system is not like Java Collections, which every Java developer needs to know, I think you should at least know the basics of module-based Java application.
This course provides a nice overview of the Java Module System. You’ll learn about basic modularity concepts such as encapsulation and explicit module dependencies, as well as how to migrate your existing code to Java 9.
Here is the link to join this Module course —Java 9 Modularity: First Look By Sander Mak
5. From Collections to Streams in Java 8 Using Lambda Expressions
Java 8 brought many new patterns and features to build efficient and clean Java applications, but undoubtedly Lambda expressions and Streams are the most important ones, and this course focuses on them.
This course will teach you how to write functional code in Java by introducing concepts like the map, flatMap, filter, reduce, and other Stream API methods.
If you truly want to master new ways of working with Java collections with Stream API, then I highly recommend this course to you. And, if you don’t know, you can access this course for free this April because Pluralsight has made all their courses free for one month.
Here is the link to join this Module course — From Collections to Streams in Java 8 Using Lambda Expressions
By the way, you would need a Pluralsight membership to join this course which costs around $29 per month or $299 per year (14% discount). I highly recommend this subscription to all programmers as it provides instant access to more than 7000+ online courses to learn any tech skill. Alternatively, you can also use their 10-day-free-pass to watch this course for FREE.
6. Docker for Java Developers
Gone are the ways when Docker was good to have skills now; it’s a mandatory skill for all kinds of Java developers, much more like Git, which everyone expects you to know.
There are reasons for it because Docker really makes the Development and Deployment process easier. You don’t need to now build your server, install all the software of different version to make your Java application because Docker abstract all these things, and provide you a container which you can deploy anywhere.
The container has everything your application needs to execute itself, including Operating System. If you want to learn Docker and you should, then this is the best course for Java developers.
Here is the link to join this Module course —Docker for Java Developers
7. Kubernetes for Java Developers on Google Cloud
When we talk about Docker, we also talk about Kubernetes because nobody deploys containers manually on the cloud or production environment. More often than not, a container management tool like Kubernetes is used to deploy Java applications.
Kubernetes is responsible not just for deployment but also for scaling up and down container instances depending upon load.
If you are learning Docker then I also recommend you to get familiar with Kubernetes and this is a great course to learn Kubernetes, Docker, and Java Spring Boot Microservices on Google Kubernetes Engine
Here is the link to join this Module course —Kubernetes for Java Developers on Google Cloud
8. Design Patterns in Java
This is one topic that often separates a junior Java developer from a more experienced one. I don’t know why design patterns are considered advanced concepts, but they are, and you should learn it.
This is a great course to learn the modern implementation of design patterns in Java. It provides a comprehensive overview of different patterns from a practical perspective.
The best thing about this course is that it covers patterns using the latest versions of the Java programming language and by using modern programming approaches like dependency injection, reactive programming, and more.
If you want to learn design pattern in Java, I highly recommend this course to you.
Here is the link to join this Module course — Design Patterns in Java
9. Java Streams API Developer Guide
This is another course I recommend to people who wants to master Java Stream API along with Jose Paumard’s course on Pluralsight. This is from Udemy, and if you don’t have Pluralsight membership, then you can purchase this course.
The instructor Nelson Djalo is a great instructor and will teach you Stream API with some live code example. On the way, you will also learn how to work efficiently on IntelliJIDEA.
Here is the link to join this Module course —Java Streams API Developer Guide
10. Web Application and Software Architecture 101
As a senior Java developer, you should know about Software Architecture and how to choose between different technologies, tools, and practices. This course provides solid and concise information about web application and software architecture.
It walks you step by step through different components and concepts involved when designing the architecture of a web application.
You will learn about different architecture patterns like client-server, peer-to-peer, microservices, fundamentals of data flow in a web application, different layers like client, service, and DAO layers, concepts like scalability, failover, fault-tolerant, and much more.
Overall, a great course to learn some key concepts about software architecture for senior Java developers.
Here is the link to join this Module course — Web Application and Software Architecture 101
Btw, if you find Educative platform and their Grokking courses like Grokking the System Design Interview, Grokking the Object-Oriented Programming interview then consider getting an Educative Subscription that provides access to their 100+ courses in just $18 per month (50% discount now). It’s very cost-effective and great for preparing for coding interviews.
11. The Complete Java MasterClass
Just in case, if you are not so much experienced and still lack basic Java skills then you can also start with this comprehensive, one-stop-java-course by Tim Buchalaka and his team. This is also one of the most up-to-date courses and covers new features from recent Java releases.
Here is the link to join this Module course — The Complete Java MasterClass
That’s all about the best and advanced Java courses for experienced programmers. As a senior Java developer, you should know how to solve memory problems, how to read heap dump and GC logs, and how to apply a particular design pattern to create a better solution.
These courses will provide you all the knowledge you need to become a Java expert. If you are a Java developer with a few years of experience and want to take your career to the next level these courses can help you.
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Thanks for reading this article so far. If you like these best advanced Java courses then please share with your friends and colleagues. If you have any questions or feedback then please drop a note.
P. S. — If you are new to the Java world and looking for some free online courses to start learning the Java programming language then you can also check out this list of best free Java courses for beginners to start your journey.
