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Welcome To Progress Java

The open-source guide to modern Java fundamentals, clean examples, and updates with every JDK release.

Progress Java is a community-driven documentation site that helps you learn Java the right way. And stay current as the language evolves (every six months).
No paywalls. No outdated tutorials. Just practical, version-aware learning backed by the open-source spirit.

Get Started 📖
Easy to Use

Easy to Learn

Simple explanations and examples that make Java fundamentals click.

Java Is Moving Fast

Every 6 months brings new features, we keep you in sync and confident.

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Open Source Forever

100% free and community-maintained - contribute, share, and improve together.

📘 Learn. Build. Stay Updated.

TrackWhat you'll find
FoundationsCore Java concepts explained simply - variables, OOP, collections, exceptions, generics, I/O, and more.
Modern JavaThe latest features like records, pattern matching, virtual threads, sealed classes, and the FFM API with before/after code samples.
Release UpdatesPlain-English summaries for every JDK (21, 22, 23 …), with JEP highlights, performance notes, and adoption tips.
Hands-On LabsMini projects and exercises you can compile, run, and share directly tied to the topics you read.
Migration PlaybooksStep-by-step guides to move from Java 8→11→17→21 with confidence.