Java tutorial
import javax.swing.JFrame; import javax.swing.JOptionPane; public class Main { public static void main(String[] argv) throws Exception { JFrame frame = new JFrame(); String message = "message"; int answer = JOptionPane.showConfirmDialog(frame, message); if (answer == JOptionPane.YES_OPTION) { // User clicked YES. } else if (answer == JOptionPane.NO_OPTION) { // User clicked NO. } } }