4.1 HelloWorld.java

import josx.platform.rcx.*;

/**
 * @author <a mailto=
 * "rvbijl39<at>calvin<dot>edu">Ryan VanderBijl</a>
 */

/* This class uses char[] to display text on the LCD.
 * Strings aren't really supported by TinyVM. :-(
 * 
 * This program, after d/ling, waits for you to
 * press the RUN button, and then displays "hello",
 * for a small delay, and then displays "world".
 * (Then a small delay, and then it returns to
 * the TinyVM OS).
 */

public class HelloWorld
{
  public static void main (String[] aArg)
  throws Exception
  {
     LCD.clear();
     TextLCD.print ("hello");
     Thread.sleep(2000);
     TextLCD.print ("world");
     Thread.sleep(2000);
  }
}