if (
JOptionPane.showConfirmDialog(
null,
"This will start 3 \"Generator\" receivers for use in the Tutorial. Is that ok?",
"Confirm", JOptionPane.YES_NO_OPTION) == JOptionPane.YES_OPTION) {
new Thread(new Tutorial()).start();
putValue("TutorialStarted", Boolean.TRUE);
} else {
putValue("TutorialStarted", Boolean.FALSE);
}
}