Using Swing 0.6 and JDK1.2, the background color of JDialog cannot be set.

The application given below creates a JDialog and invokes 
setBackground(Color.green) on it.

On Solaris, when the JDialog is displayed, it flashes green for a brief 
moment, then turns gray.
On NT, it comes up gray.

/*==================================================================*/
/*
 * Swing 0.6 - Can't set the background color of JDialog
*/
import java.awt.swing.*;
import java.awt.*;
import java.awt.event.*;

public class JDialogTest {
   static JFrame frame = new JFrame();
   static JDialog dialog = new JDialog(frame);

   public static void main (String[] args) {
      dialog.setSize(200,200);
      dialog.setBackground(Color.green);    // Green, buddy - not gray
      dialog.setVisible(true);
      
      dialog.addWindowListener (new WindowAdapter () {
         public void windowClosing (WindowEvent e) {
            dialog.dispose ();
            System.exit (0);
            }
         });
   }
}
/*==================================================================*/