Java Swing JOptionPane get yes/no input using confirm dialog

import javax.swing.JOptionPane;

public class Lautturi {
	public static void main(String[] args) {
		int answer = JOptionPane.showConfirmDialog(null, "Continue?", "title", JOptionPane.YES_NO_OPTION);

		if (answer == JOptionPane.NO_OPTION) {
			// no
		} else if (answer == JOptionPane.YES_OPTION) {
			// yes
		}
	}
}