Mobile Communication :J2ME GUI Controls ( Label)

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

public class LabelMIDlet extends MIDlet implements CommandListener

{

  private Display display;

  private Form form;

  private StringItem item;

  private Command next, exit;

  public LabelMIDlet()

{

    display = Display.getDisplay(this); 

    form = new Form("Label Text");

    item = new StringItem("UserId: ", "sandeep15284@rediffmail.com");

    next = new Command("Next", Command.SCREEN, 1);

    exit = new Command("Exit", Command.EXIT, 1);

    form.addCommand(exit);

    form.addCommand(next);   

    form.append(item);

    form.setCommandListener(this); 

  }

  public void startApp()

  {   

    display.setCurrent(form);

  }

  public void pauseApp(){ }

  public void destroyApp(boolean unconditional)

  {

    notifyDestroyed();

  }

  public void commandAction(Command c, Displayable s){

    String label = c.getLabel();

    if (label.equals("Next"))

{

      item.setLabel("E-MAIL ID: ");

      item.setText("sandeep15284@rediffmail.com");

      form.removeCommand(next);

    }

else if (label.equals("Exit"))

{

      destroyApp(true);} }}

Output:-