Option Dialogs

import javax.swing.*;

public class GUI {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Option Dialog Example");

        int result = JOptionPane.showConfirmDialog(frame, "Do you want to save the changes?");
        System.out.println(result);
        if (result == JOptionPane.YES_OPTION) {

            System.out.println("User clicked 'Yes'");
        } else if (result == JOptionPane.NO_OPTION) {
            System.out.println("User clicked 'No'");
        } else {
            System.out.println("User clicked 'Cancel'");
        }
    }
}