Java Learning Machine (JLM)

http://webloria.loria.fr/~quinson/Teaching/JLM/

The Java Learning Machine (JLM) is a platform dedicated to computer
programming education. This generic platform offers support to teachers for
creating programming microworlds suitable to teaching courses. It features an
integrated and graphical environment, providing a short feedback loop to
students in order to improve the effectiveness of the autonomous learning
process.