// Shows several JOptionPane windows on the screen.
import javax.swing.*;   // for GUI components

public class DemoOptionPanes 
{
    public static void main(String [] args) 
    {
        // read the user's name graphically
        String name = JOptionPane.showInputDialog(null, "What's your name?");

        // ask the user a yes/no question
        int choice = JOptionPane.showConfirmDialog(null, 
                "Do you like the Red Sox, " + name + "?");

        // show different response depending on answer
        if (choice == JOptionPane.YES_OPTION) 
            JOptionPane.showMessageDialog(null, 
                    "Of course!  Who doesn't?");
        else  // choice == NO_OPTION or CANCEL_OPTION
            JOptionPane.showMessageDialog(null,
                    "We'll have to agree to disagree, ignoramus!");
      }
}