This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I have a JOptionPane conformation in the WindowListener class. If the user presses "Yes" the application quits "System.exit(0)". Else, nothing should happen. But the application's frame object's visibility is automatically set to false after executing my JOptionPane routine... What to do?