A textbook for the modern Java platform.
StudyJava began as lecture notes. Over the years they grew into something between a textbook and a field manual — written for people who want to learn Java well, not just well enough to pass an interview.
The curriculum is free, open, and continuously updated. We treat each lesson the way you'd treat a chapter in a book: edited, reviewed, and revised. We assume nothing beyond a working computer and a willingness to type.
Bobit Thomas
Bobit Thomas transitioned from early technical roles in Java and web technologies to become a prominent digital marketing strategist, keynote speaker, and content creator based in Kerala, India.
He created StudyJava.org in 2003 — long before "learn to code" became a movement. What started as a small corner of the web to answer Java questions has, over two decades, served thousands of Java learners and answered countless programming queries from students and professionals around the world.
Today the site carries forward that same founding impulse: clear, patient explanations written by people who have shipped real software — free and open to everyone.
Ormeon IT Consulting Pvt Ltd
StudyJava.org is proudly supported by Ormeon IT Consulting Pvt Ltd, an award-winning, leading digital marketing agency in Kochi, Kerala, and Bangalore — specializing in SEO, Google Ads (PPC), and social media marketing to boost visibility, generate quality leads, and maximize ROI for Kerala's fastest-growing brands.
Their backing keeps this curriculum free and open, and supports the ongoing writing, editing, and maintenance of every lesson on the site.
Depth over breadth. We'd rather teach one idea well than ten superficially.
All material is released under CC BY-SA 4.0. Translate it, fork it, teach from it.
Corrections, suggestions, and patches are welcome at hello@studyjava.org.