BBVehicle2b.java

import lejos.nxt.*;public class BBVehicle2b{  public static void main (String[] aArg)  throws Exception  {	RCXLightSensor lightSensorA = new RCXLightSensor(SensorPort.S3);	RCXLightSensor lightSensorB = new RCXLightSensor(SensorPort.S2);	MotorPort[] motorsA = new MotorPort[] { MotorPort.A };	MotorPort[] motorsB = new MotorPort[] { MotorPort.B };	SensorActuatorConnection threadA = new SensorActuatorConnection(lightSensorA, motorsB, "v2bB");	SensorActuatorConnection threadB = new SensorActuatorConnection(lightSensorB, motorsA, "v2bA");	threadA.setDaemon(true);	threadB.setDaemon(true);		LCD.clear();	LCD.drawString("Press ENTER to start", 0, 0);	 	while (Button.ENTER.isPressed()){}	while (! Button.ENTER.isPressed()){}	threadA.start();	threadB.start();		while (! Button.ESCAPE.isPressed())	{		 	}		while (! Button.ENTER.isPressed()){}	threadA.interrupt();	threadB.interrupt();    LCD.drawString("Program stopped", 0, 0);    LCD.refresh();   }}