Java
A statically-typed, object-oriented language that runs on the Java Virtual Machine (JVM). Known for "write once, run anywhere" portability, strong tooling, and heavy use in enterprise backends and Android.
- Difficulty
- Beginner
- Version
- 21 (LTS)
- Website
- Visit site
- Docs
- Read docs
What you'll learn
A complete path from the basics to production-ready skills — work through it in order, at your own pace.
- 1 Level 1 — Beginner 27 lessons
- 2 Beginner Projects 1 lesson
- 3 Level 2 — Intermediate 20 lessons
- 4 Intermediate Projects 1 lesson
- 5 Level 3 — Advanced 17 lessons
- 6 Advanced Projects 1 lesson
- 7 What You Should Know Now — and What's Next 1 lesson
Ready to start learning Java?
No prior programming experience required — every lesson starts from the basics.
Related developer tools
Practice what you learn with these free tools.