code: public static void showMessageDialog(final Component parentComponent, final Object message) {
  
          execute(new VoidOptionPane() {
              public void show() {
                  JOptionPane.showMessageDialog(parentComponent, message);
              }
          });
  
      }
docs: Brings up an information-message dialog titled "Message".
  
  @param parentComponent
  determines the <code>Frame</code> in which the dialog is
  displayed; if <code>null</code>, or if the
  <code>parentComponent</code> has no <code>Frame</code>, a
  default <code>Frame</code> is used
  @param message
  the <code>Object</code> to display