J2ME program for Checkbox
import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
public class CheckExp extends MIDlet implements CommandListener
{
Form form;
Command exit,save;
ChoiceGroup check;
public void startApp()
{
Display display = Display.getDisplay(this);
form = new Form(“Check Box Example”);
try
{ check = new ChoiceGroup(“Subjects : “,Choice.MULTIPLE);
check.append(“IP”,null);
check.append(“ADBMS”,null);
check.append(“COM”,null);
}
catch(Exception e)
{e.printStackTrace();}
form.append(check);
exit = new Command(“Exit”, Command.EXIT, 1);
save = new Command(“Save”, Command.OK, 1);
form.addCommand(save);
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:-
