J2ME GUI Controls - RadioButton

J2ME Program for RadioButton

import javax.microedition.lcdui.*;

import javax.microedition.midlet.MIDlet; 

public class RadioExp extends MIDlet implements CommandListener

{

Form form;

Command exit;

ChoiceGroup radio;

public void startApp()

{

          Display display = Display.getDisplay(this);

          form = new Form("Radio Button Example");

          try

          {

                   radio  = new ChoiceGroup("Gender : ",Choice.EXCLUSIVE);

                    radio.append("Male",null);

                   radio.append("Female",null);

          }

          catch(Exception e)

          {

                   e.printStackTrace();

          }

          form.append(radio);

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

          form.addCommand(exit);

          form.setCommandListener(this);

          display.setCurrent(form);

}

  public void pauseApp ()  {}

  public void destroyApp(boolean unconditional) {}

  public void commandAction(Command c, Displayable s)

  {

          if (c == exit)

          {

                   notifyDestroyed();

          }

   } }

Output:-