When setBorder(new LineBorder(Color.blue, 2)) is invoked on a JCheckBox
or on a JRadioButton, the border of the checkbox/radiobutton is not
set to a blue line border.

The following application demonstrates this.
============================================================================
import com.sun.java.swing.*;
import com.sun.java.swing.border.LineBorder;
import com.sun.java.swing.basic.BasicBezelBorder;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Label;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;


/**
 * An application that displays a bordered JButton, a bordered JCheckBox,
 * a bordered JRadioButton, and a "Set Border" checkbox.
 * Selecting the "Set Border" checkbox should cause the JButton, JCheckBox,
 * and JRadioButton to become bordered with a blue line border.
 */
public class borderbug extends JBufferedPane {
    static JFrame frame;
    static JButton button = new JButton("JButton");
    static JCheckBox checkbox = new JCheckBox("JCheckBox");
    static JRadioButton radiobutton = new JRadioButton("JRadioButton");
    static JCheckBox setborder = new JCheckBox("Set Border");

    public borderbug() {
super(true);

        // Register a listener for the setborder checkbox
setborder.addItemListener(new CheckBoxListener());

button.setBorderPainted(true);
checkbox.setBorderPainted(true);
radiobutton.setBorderPainted(true);

setLayout(new BorderLayout());
Box container1 = new Box(BoxLayout.Y_AXIS);
Box container2 = new Box(BoxLayout.Y_AXIS);
container1.add(container1.createVerticalStrut(10));
container1.add(setborder);
container2.add(container2.createVerticalStrut(10));
container2.add(button);
container2.add(container2.createVerticalStrut(15));
container2.add(checkbox);
container2.add(container2.createVerticalStrut(15));
container2.add(radiobutton);
container2.add(container2.createVerticalStrut(15));
add(BorderLayout.WEST, container1);
        add(BorderLayout.EAST, container2);
        add(BorderLayout.SOUTH, new Label("Select checkbox on left to border components on right with a blue line border."));
    }


    /** Listens to the setborder checkbox */
    class CheckBoxListener implements ItemListener {
public void itemStateChanged(ItemEvent e) {
if (setborder.isSelected()) {
   button.setBorder(new LineBorder(Color.blue, 2));
checkbox.setBorder(new LineBorder(Color.blue, 2));
radiobutton.setBorder(new LineBorder(Color.blue, 2));
repaint();
System.out.println("\nButton border: " + button.getBorder());
System.out.println("Checkbox border: " + checkbox.getBorder());
System.out.println("Radiobutton border: " + radiobutton.getBorder());
}
else {
button.setBorder(new BasicBezelBorder());
checkbox.setBorder(new BasicBezelBorder());
radiobutton.setBorder(new BasicBezelBorder());
repaint();
System.out.println("\nButton border: " + button.getBorder());
System.out.println("Checkbox border: " + checkbox.getBorder());
System.out.println("Radiobutton border: " + radiobutton.getBorder());
}
}
    }

    public static void main(String s[]) {
         WindowListener l = new WindowAdapter() {
             public void windowClosing(WindowEvent e) {System.exit(0);}
         };
 
         frame = new JFrame("borderbug");
         frame.addWindowListener(l);
         frame.add("Center", new borderbug());
         frame.pack();
         frame.setVisible(true);

   System.out.println("Button border: " + button.getBorder());
System.out.println("Checkbox border: " + checkbox.getBorder());
System.out.println("Radiobutton border: " + radiobutton.getBorder());
    }
}
==============================================================================