JOptionPane.showOptionDialog(..) -problem

Question

Hi!
I'm trying to ask the size of area of game with OptionDialog. Then this
code should open the game frame. But the OptionDialog doesn't react
to clicking. (doesn't close). Could you find the errorpoint?
I have trying to find it many days.
Could it be probably so that the main-method can't open frame after frame (first optionDialog then gameframe)?
Gameframe opens when I test it to replace getGameAreaSize()-method simply with:
public int getGameAreaSize() {
return 10;
import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
public class BattleShipGame {
     private int gameAreaSize;
     private Gameframe gameFrame;
     public Gameframe getGameframe() {
        if (gameFrame == null) {
             gameFrame = new Gameframe();
             gameFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        return gameFrame;
     public int getGameAreaSize() {
       Object[] options = {"10 x 10",
                           "12 x 12",
                           "14 x 14"};
       int n = JOptionPane.showOptionDialog(new Frame(),
       "Choose the area of the game: ",
       "question about area",
        JOptionPane.YES_NO_CANCEL_OPTION,
        JOptionPane.QUESTION_MESSAGE,
        null,
        options,
        options[2]);
        if (n==0) return (gameAreaSize = 10);
        if (n==1) return (gameAreaSize = 12);
        if (n==2) return (gameAreaSize = 14);
        else return (gameAreaSize = 0);
     public static void main(String[] args) {
        BattleShipGame bsg = new BattleShipGame();
        int size = bsg.getGameAreaSize();
        Gameframe gameframe = bsg.getGameframe();
        gameframe.setVisible(true);

Answer 1

int n = JOptionPane.showOptionDialog(new Frame(),
should be :
int n = JOptionPane.showOptionDialog(this,
Because when you start a new frame that hasn't got the focus and you let that frame pop the optionpane the mouse listener andsoon isn't listening to the optionpane.