Packages

java.awt	Minimal AWT package for Rectangle class
java.io	Input/Output support
java.lang	Core Java classes
java.lang.annotation	Basic support for annotations
java.net	Support for sockets via PC SocketProxy
java.util	Utilities
javax.bluetooth	Standard Bluetooth classes
javax.microedition.io	J2ME I/O.
javax.microedition.lcdui	J2ME LCD User Interface classes.
javax.microedition.location	Location API
lejos.charset	a simple charset API for leJOS
lejos.gps	GPS Parsing
lejos.io	leJOS specific support for java.io
lejos.keyboard	Support for SPP keyboards
lejos.localization	Localization support
lejos.math	Extra Math classes for leJOS
lejos.navigation	Navigation classes.
lejos.nxt	Access to NXT sensors, motors, etc.
lejos.nxt.addon	Access to third party and legacy RCX sensors, motors and other hardware not included in the Lego NXT kit
lejos.nxt.comm	NXT communication classes
lejos.nxt.debug	Debugging thread classes
lejos.nxt.remote	Remote NXT access over Bluetooth
lejos.rcxcomm	Emulation of RCX communication classes
lejos.subsumption	Support for subsumption architecture.
lejos.util	More utility classes