import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
 
public class HelloWorld extends MIDlet implements CommandListener
{
    private Display display;
    private TextBox textBox;
    private Command quitCommand;
 
    public void startApp()
    {
        display = Display.getDisplay(this);
        quitCommand = new Command("Quit", Command.SCREEN, 1);
        textBox = new TextBox("HelloWorld", "My first MIDlet", 40, 0);
        textBox.addCommand(quitCommand);
        textBox.setCommandListener(this);
        display.setCurrent(textBox);
    }
 
    public void pauseApp()
    {
    }
 
    public void destroyApp(boolean unconditional)
    {
    }
 
    public void commandAction(Command choice, Displayable displayable)
    {
        if(choice == quitCommand)
        {
            destroyApp(false);
            //notifyDestroy();
        }
    }
}