Packages

java.awt	Minimal AWT package for Rectangle class
java.io	Input/Output support
java.lang	Core Java classes
java.util	Utilities
javax.bluetooth
javax.microedition.io	J2ME I/O.
javax.microedition.lcdui	J2ME LCD User Interface classes.
lejos.devices
lejos.navigation	Navigation classes.
lejos.nxt	Access to NXT sensors, motors, etc.
lejos.nxt.comm	NXT communication classes
lejos.nxt.debug
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