Java Playground

A web-based Java compiler frontend to play with single-source console programs. UI Demo

Requirements

• Python 3.4+
• Flask
• Flask-SocketIO
• A modern browser
  • Supporting localStorage, history.replaceState, const, box-sizing, flex
  • Supposedly Firefox 29+, Chrome 29+, Edge, Safari 9+, IE 11, Opera 17+
• javac and java in PATH when executing server (example batch file which does this).

Motivation

This was developed to provide an easy-to-use UI for students learning programming for the first time, due to a complete lack of user-friendly, lightweight and bug-free IDE for Java.

As such, this is intended to be run and used locally, since its performance won't scale well to more than a handful of users, and more importantly, it is very insecure for the open web (for starters, program execution is not sandboxed).

Acknowledgements

Code from the following projects are included in this repository:

• Ace Editor
• Split.js
• Socket.io

Building a Frozen Executable

• Install all dependencies

  python -m pip install flask flask-socketio

• Install cx-Freeze v6.0

  python -m pip install cx-Freeze==6.0b1

• Run build script

  python setup.py build

You can find similarly built binaries here.