How to learn Java in 2024 – Complete Guide and Resources

Last updated: December, 2024 • 13 min read

In this comprehensive guide, we'll walk you through the best ways to learn Java, from recommended books and courses to finding expert mentors who can accelerate your learning journey.

Before diving into learning Java, a word of caution: While there are many resources available online, it's important to follow a structured learning path and avoid getting overwhelmed. Having a clear goal and roadmap will help you stay focused and make steady progress.

If you're looking for a more guided approach, you may want to check out our Java mentors who can help create a personalized learning plan and provide expert guidance throughout your journey.

Getting started with Java

In this guide, we'll cover:

Let's explore each of these areas to help you create an effective learning path for mastering Java.

How can I start learning Java?

Getting started with Java is very achievable with the right approach and resources. Here are some key steps to begin your learning journey:

  1. Start with fundamentals. Begin by learning the core concepts and principles of Java. This builds a strong foundation for more advanced topics;
  2. Take online courses. Platforms like Coursera, Udemy, and edX offer structured Java courses for beginners. These provide guided learning with hands-on practice;
  3. Read documentation and books. Official documentation and recommended books can deepen your understanding of Java concepts;
  4. Connect with a mentor. Our experienced Java mentors can create a personalized learning plan and guide you through your journey efficiently.

Can I learn Java on my own?

While self-study is possible, having expert guidance can save you months of trial and error and help you avoid common pitfalls. Here's what to consider:

  1. Self-paced learning. Online resources and tutorials let you learn at your own speed, but it can be challenging to know if you're on the right track;
  2. Community support. Join online communities and forums to get help, though responses may vary in quality and accuracy;
  3. Professional mentorship. Working with a Java mentor provides personalized feedback, industry insights, and accountability to keep you progressing;
  4. Structured approach. A mentor can create a customized learning path based on your goals and current skill level.

Can I learn Java in one month?

While you can grasp basic concepts of Java in a month with dedicated study, becoming proficient typically takes longer. Here's a realistic timeline:

  1. First month. Master fundamental concepts and basic principles of Java;
  2. 3-6 months. Develop intermediate skills and work on increasingly complex projects;
  3. 6-12 months. Build advanced knowledge and professional-level expertise;
  4. Accelerated learning. Working with one of our expert Java mentors can significantly speed up this timeline through focused guidance and industry best practices.

Learning Resources for Java

One of the most effective ways to build a strong foundation in Java is through carefully selected learning resources. Let's explore some key materials that can help you master this field.

Essential Reading Materials

Books remain one of the most comprehensive ways to learn Java in depth. They provide structured knowledge and detailed explanations that are often missing from online tutorials. Here are some recommended reading approaches:

  • Start with beginner-friendly books that introduce core concepts and fundamentals
  • Progress to intermediate texts that cover more advanced topics and real-world applications
  • Keep reference books handy for looking up specific concepts and techniques

Recommended Books for Java

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.

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.

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.

View all recommended books for Java →

Online Learning Platforms

Online courses provide structured learning paths with hands-on practice. Here are some recommended platforms and course types:

  • Interactive courses - Learn by doing with coding exercises and projects
  • Video tutorials - Watch expert instructors explain concepts step-by-step
  • Practice exercises - Reinforce learning through hands-on challenges

Recommended Courses for Java

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…

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

Java Programming A-Z

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

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.

Get help with your learning journey

Learning through online courses can be challenging. Get 1:1 guidance from an experienced mentor who can help you stay accountable and answer your questions along the way.

View all recommended courses for Java →

Learning Communities and Support

Having the right support system is crucial for learning Java. Here are some ways to get help:

  • MentorCruise Community - Join our active community of learners and mentors to get support on your journey
  • 1:1 Mentorship - Get personalized guidance from our expert Java mentors
  • Work Reviews - Have experienced Java mentors review your work and provide detailed feedback
  • Discussion Forums - Connect with peers to share knowledge and ask questions

Ready to accelerate your learning? Find a Java mentor who can guide you through these steps and provide personalized support.

Expert Guidance

Learning Java is more effective with expert guidance. Our mentors provide:

  • Personalized Learning Plans - Get a customized roadmap based on your goals and current skill level
  • Industry Best Practices - Learn professional standards and workflows
  • Career Development - Get advice on job searching, resume building, and career advancement

Want more options? Browse all 203 Java mentors to find the perfect match for your goals.

Professional Certifications

Earning certifications can validate your Java skills and boost your career prospects. Here are some recommended certifications:

Oracle Java Training and Certification

Hosted by education.oracle.com

Gain a competitive advantage by learning and getting certified as a Java Developer with Oracle. Learn how to build highly functional, reliable, portable, and secure applications with training created by Oracle's Java experts, who are at the forefront of high-tech solutions in the world of J…

Oracle Certified Expert, Java EE 6 Web Component Developer

Hosted by whizlabs.com

Prove your knowledge to build, analyze, and design web applications that suit any Java EE 6 application server with Oracle Certified Expert, Java EE 6 Web Component Developer certification.

Prices start at US$16.

Oracle Java Training and Certification

Hosted by education.oracle.com

Gain a competitive advantage by learning and getting certified as a Java Developer with Oracle. Learn how to build highly functional, reliable, portable, and secure applications with training created by Oracle's Java experts, who are at the forefront of high-tech solutions in the world of J…

Spring Certified Professional 2024

Hosted by vmware.com

The Spring Certified Professional certification validates a candidate's expertise with major features of Spring and Spring Boot and the candidate’s ability to apply Spring’s features to quickly build and deliver production ready applications. It is part of Spring Academy Pro subscription, t…

Our mentors can help you prepare for these certifications through:

  • Exam Preparation - Get structured guidance to master certification topics
  • Practice Tests - Work through sample questions and mock exams
  • Study Planning - Create an effective study schedule to achieve your certification goals
  • Hands-on Practice - Apply certification concepts through practical exercises

View all recommended certifications for Java →

Career Guidance

Beyond technical skills, succeeding in Java requires strategic career planning. Our career mentors provide:

  • Industry Insights - Get insider knowledge about Java roles and companies
  • Career Strategy - Build a roadmap to reach your professional goals
  • Resume & Portfolio Review - Optimize your professional materials for Java positions
  • Interview Preparation - Practice technical and behavioral interviews with experienced professionals
  • Salary Negotiation - Learn to advocate for yourself and negotiate competitive compensation

Ready to accelerate your Java career? Connect with a career mentor to start building your professional future.

Quick Summary

  • 🎯 Best for: beginners and intermediate learners
  • ⏱️ Learning time: 4 certification paths available
  • 💰 Required investment: Courses, books and mentorship to certification (~$500)
  • 🎓 Prerequisites: None
  • 🔗 Related fields: JavaScript, React, CSS, Web Development