leJOS NXJ 0.9

leJOS NXJ is a Java programming environment for LEGO MINDSTORMS NXT® robots, allowing users to program their LEGO® robots in Java. It includes a replacement firmware for the NXT, a library of Java classes (classes.jar), a linker for linking user Java classes with classes.jar, and PC tools for flashing the firmware, uploading programs, debugging, and more. Additionally, it provides a PC API for writing PC programs that communicate with leJOS NXJ.