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How to learn Java

Got a big interview coming up? A long-held dream to learn about Java? Our mentors can help you prepare and learn more about Java and get you towards your goal quicker

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Read the best books to build Java understanding.

A well-written and thorough book can be an amazing path to build deeper understanding of Java and also act as a handbook as you discover the internet's vast resources.

These are our and our experts top picks to get started building career-relevant skills.

Head First Java

Head First Java

Learning a complex new language is no easy task especially when it s an object-oriented computer programming language like Java. You might think the problem is your brain. It seems to have a mind of its own, a mind that doesn't always want to take in the dry, technical stuff you're forced to study.

Clean Code

Clean Code

Even bad code can function. But if code isn’t clean, it can bring a development organization to its knees. Every year, countless hours and significant resources are lost because of poorly written code. But it doesn’t have to be that way.

Effective Java

Effective Java

Java has changed dramatically since the previous edition of Effective Java was published shortly after the release of Java 6. This Jolt award-winning classic has now been thoroughly updated to take full advantage of the latest language and library features. The support in modern Java for multiple paradigms increases the need for specific best-practices advice, and this book delivers.

Test Driven: TDD for Java Developers

Test Driven: TDD for Java Developers

In test driven development, you first write an executable test of what your application code must do. Only then do you write the code itself and, with the test spurring you on, you improve your design.

Java Performance

Java Performance

Coding and testing are often considered separate areas of expertise. In this comprehensive guide, author and Java expert Scott Oaks takes the approach that anyone who works with Java should be equally adept at understanding how code behaves in the JVM, as well as the tunings likely to help its performance.

Work with one of our 217 Java mentors available

Self-teaching is a great tool, but working with an experienced mentor can accelerate your learnings by 10x.

Our mentors are hand-picked Java experts who will help you learn Java and guide you towards your goals.

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Hi, I'm Rick! With over 10 years as a Software Engineer at FAANG companies and startups, I specialize in Backend Distributed Systems and have a broad skill set in various technologies. I've also founded two startups. In the past, I mentored many engineers/non-engineers through work, volunteering, and bootcamps, focusing on …

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πŸ”§ Experienced Product and Tech Professional in Toronto, Canada πŸ”§ Hello! I'm a seasoned product and technology professional from Toronto, Canada, bringing over 15 years of diverse experience in product management and technology leadership. I've navigated through roles in small startups, mid-sized enterprises, and everything in between. Here's what I …

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I'm a software engineer currently working at Box. I am responsible for web or mobile applications and servers mainly with React / Angular / Vue and Nodejs. Basically everything Javascript and Golang. I'm Looking forward to supporting mentees and learning from them.

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Hello, I'm Ben! I've spent the majority of my career as a Software Engineer at Microsoft. I'm passionate about open source, crypto and the future of the web. My day job is spent working on a range of client-side javascript/typescript, mostly related to service workers and react.js. I also have …

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I helped hundreds of colleagues to become more efficient programmers. Coding, data structures and algorithms, debugging techniques, infrastructure design and much more. Whether you build your own startup and need occasional advise or want to improve your job performance to get a promotion - I can help you achieve these …

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Hi πŸ‘‹ I am Mo. As a Senior Software Engineer, I work with a talented team of engineers and designers to build scalable applications. I have over 8 years of experience in software engineering, with expertise in React, Node.js, and Databases. I also serve as a technical lead and a …

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Programming is hard. Don't waste time learning it alone. As my mentee Chris put it: ➀ β€œThe sessions with Jascha have been more valuable than eight weeks of my professor's lectures β€” It's money much better spent!” My resumΓ©: - 30+ years coding experience - 20+ coding languages self-taught - …

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Through my mentorship program, I've helped countless coders like you reach their goals - and I'm proud to share that we have a 100% satisfaction rate. πŸ“† Book an "Introductory Call" today, and let's figure out how to accelerate your programming journey towards success. I'll equip you with essential skills, …

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Courses to deepen your Java skills.

These days, courses are no longer a sequence of videos. They are usually accompanied by projects and a learning community, keeping you accountable and on the path.

Our experts recommend these courses, from free selections to paid programs.

CodeGym

CodeGym

There are tons of good books on the Internet, but you won't become a programmer by reading books. To learn Java and become a programmer, you need to write a lot of code.

CodeGym is an online Java programming course consisting of 80% practice and 20% of the essential Java theory. This is what you need to become a real Java developer.

Java Programming A-Z

Java Programming A-Z

Everything you need to know about Java programming to make you first steps as a software engineer.

Java Fundamentals

Java Fundamentals

This course provides complete coverage of the Java programming language and serves as a strong foundation for all Java-based development environments including client-based, server-side, and Android.

Oracle Java Certification

Oracle Java Certification

This course will help you learn the steps to becoming an Oracle Certified Associate (OCA) and get a higher paying job!

Take the Oracle Java Associate Programmer exam confidently knowing you can pass it

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