SOURCE CODE Menggunakan objek DateField pada JAVA (J2ME)

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

public class DemoDateField extends MIDlet
  implements CommandListener {
   
  private Display display;
  private List list;
  private Form form;
  private DateField datefield;
  private String judulForm;
 
  private String[] daftarMenu = {
    "Tipe DATE",
    "Tipe TIME",
    "Tipe DATE_TIME"
  };
 
  private final Command cmdKeluar =
    new Command("Keluar", Command.EXIT, 1);
  private final Command cmdOK = new Command("OK", Command.OK, 1);
  private final Command cmdKembali =
    new Command("Kembali", Command.BACK, 1);
 
  public DemoDateField() {
    display = Display.getDisplay(this);
    form = new Form("Demo DateField");
    form.addCommand(cmdKembali);
    form.setCommandListener(this);
  }
   
  public void startApp() {          
      
    list = new List("Demo DateField", Choice.EXCLUSIVE,
               daftarMenu, null);
    list.addCommand(cmdKeluar);
    list.addCommand(cmdOK);
    list.setCommandListener(this);
    
    display.setCurrent(list);
  }
   
  public void pauseApp() {
  }
   
  public void destroyApp(boolean unconditional) {
  }
   
  public void commandAction(Command c, Displayable s) {
    if (c == cmdKeluar) {
      destroyApp(false);
      notifyDestroyed();
    } else if (c == cmdKembali) {
      display.setCurrent(list);
    } else {
      datefield = null;
      switch (list.getSelectedIndex()) {
        case 0: {
          datefield = new DateField("Tipe DATE",
                        DateField.DATE);
          break;             
        }
        case 1: {
          datefield = new DateField("Tipe TIME",
                        DateField.TIME);
          break;             
        }
        case 2: {
          datefield = new DateField("Tipe DATE_TIME",
                        DateField.DATE_TIME);
          break;             
        }         
      }
      form.deleteAll();
      form.append(datefield);
      display.setCurrent(form);
    }
  } 
}