J2ME Basic Program

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class HelloWorld extends MIDlet {
   private Display display;
 
   public HelloWorld() {
      display = Display.getDisplay(this);
   }

   /* startApp() : call when MIDlet executes */
   public void startApp() {
      TextBox t = new TextBox("Hello, World!", "Welcome To J2ME MIDP", 256, 0);
      display.setCurrent(t);
   }

   /* pauseApp() :  call when MIDlet suspends */
   public void pauseApp() {
   }

   /* destroyApp() : call when MIDlet stops */
   public void destroyApp(boolean unconditional) {
   }

}