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Write, compile & run Java code on Android. Full IDE with AI copilot & projects
Java IDE & Compiler – Your pocket FREE, Java development environment.
Write, compile, and run Java code directly on your Android device with a full-featured IDE. Perfect for learning, practicing, or quick coding on the go.
FEATURES
- Full-featured Java editor with syntax highlighting
- Real-time compilation and code execution
- AI Copilot - Generate code, tests, debug, explain errors etc
- 40+ editor themes (Dracula, Monokai, Material, Nord, and more)
- 10+ code fonts (Fira Code, JBrains Mono, Source Code Pro, etc.)
- Multi-file project support
- 15+ Java templates for quick start
- 28+ code snippets for faster development
- Search & Replace with regex support
- Full Undo/Redo history
- Standard input (stdin) support for interactive programs
- Dark and light modes
- Support for 15 languages
PERFECT FOR
- Java learners and beginners
- Students preparing for exams
- Developers coding on the move
- Quick prototyping and testing
Start coding Java anytime, anywhere. Download now!
What's New in the Latest Version 2.0
Last updated on Mar 31, 2026
BIG UPDATE: We've completely rewritten the app. Including backend. We now use a much faster execution engine. We've updated up free limits 4 times, giving users enough daily compilations to learn and experiment. AI co-pilot and assistance has been added. UI has been revamped. Minimalism and better organization. Zen mode integrated. 50+ examples/templates added. Multi-language integration now deeper. Please update to this version. Thanks for using our app.
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Java IDE, Compiler & AI assist
2.0 by Clement Ochieng
Mar 31, 2026