mixeddemo4.java

java 完全探索的随书源码

// MixedDemo4.java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

class MixedDemo4 extends JFrame
{
   MixedDemo4 (String title)
   {
      super (title);

      addWindowListener (new WindowAdapter ()
                         {
                             public void windowClosing (WindowEvent e)
                             {
                                System.exit (0);
                             }
                         });

      JPanel p = new JPanel ();

// JPopupMenu.setDefaultLightWeightPopupEnabled (false);

      JComboBox cb = new JComboBox ();

// cb.setLightWeightPopupEnabled (false);

      cb.addItem ("First");
      cb.addItem ("Second");
      cb.addItem ("Third");
      p.add (cb);
      getContentPane ().add (p, BorderLayout.NORTH);

      p = new JPanel ();
      p.add (new Button ("Heavyweight"));
      getContentPane ().add (p, BorderLayout.CENTER);

      setSize (200, 125);
      setVisible (true);
   }

   public static void main (String [] args)
   {
      new MixedDemo4 ("Mixed Demo4");
   }
}