Packages
java.io Input/Output support
java.lang Core Java classes
java.util Utilities
javax.microedition.io J2ME I/O.
javax.microedition.lcdui J2ME LCD User Interface classes.
lejos.navigation Navigation classes.
lejos.nxt Access to NXT sensors, motors, etc.
lejos.nxt.comm NXT communication classes
lejos.subsumption Support for subsumption architecture.
lejos.util More utility classes