import javax.swing.*;

class ShowShowInputDialog {
 public static void main(String [] args) {
  while (true) {
   String s = JOptionPane.showInputDialog("What is this course?");
   int result = JOptionPane.showConfirmDialog(null,
                   "Your answer was \"" + s + "\". OK?");
   if (result == JOptionPane.YES_OPTION) {
    JOptionPane.showMessageDialog(null,"This course is " + s + "." );
    break;
   }
   if (result == JOptionPane.CANCEL_OPTION) break;
  }
  System.exit(0);
 }
}