setBackground(Color.green);
Container contentPane = getContentPane();
contentPane.setLayout(new BorderLayout()); // default layout for
// JDialog
JPanel toppan = new JPanel();
toppan.setBorder(new TitledBorder(
"North Panel (inherits green background)"));
toppan.setForeground(Color.blue);
contentPane.add(toppan, BorderLayout.NORTH);
JRadioButton button1 = new JRadioButton("A JRadioButton... ");
JRadioButton button2 = new JRadioButton("And another JRadioButton");
ButtonGroup buttons = new ButtonGroup();
buttons.add(button1);
buttons.add(button2);
button1.setSelected(true);
toppan.add(button1);
toppan.add(button2);
JPanel westpan = new JPanel();
westpan.setBorder(new TitledBorder("West Panel"));
westpan.setLayout(new BoxLayout(westpan, BoxLayout.Y_AXIS));
JLabel label1 = new JLabel("Magenta label in west panel");
westpan.add(label1);
label1.setForeground(Color.magenta);
JTextField textfield1 = new JTextField(
"Cyan JTextField, red background");
textfield1.setForeground(Color.cyan);
textfield1.setBackground(Color.red);
westpan.add(textfield1);
JTextField whiteTextField = new JTextField("White JTextField");
whiteTextField.setForeground(Color.white);
westpan.add(whiteTextField);
JTextField blueTextField = new JTextField("Blue JTextField");
blueTextField.setForeground(Color.blue);
westpan.add(blueTextField);
JTextField yellowTextField = new JTextField("Yellow JTextField");
yellowTextField.setForeground(Color.yellow);
westpan.add(yellowTextField);
JTextField blackTextField = new JTextField("Black JTextField");
blackTextField.setForeground(Color.black);
westpan.add(blackTextField);
contentPane.add(westpan, BorderLayout.WEST);
JPanel eastpan = new JPanel();
eastpan.setForeground(Color.black);
eastpan.setBorder(new TitledBorder("East Panel"));
eastpan.add(new JTextField("A JTextField"));
contentPane.add(eastpan, BorderLayout.EAST);
JPanel centerpan = new JPanel();
centerpan.setForeground(Color.white);
centerpan.setBackground(Color.black);
centerpan.setLayout(new BorderLayout());
LineBorder centerpan_lineborder = new LineBorder(Color.green);
TitledBorder centerpan_titledborder = new TitledBorder(
centerpan_lineborder, "Green border, yellow title", 0, 0, null,
Color.yellow);
centerpan.setBorder(centerpan_titledborder);
centerpan.add(new JLabel("A white label in the center"),
BorderLayout.CENTER);
contentPane.add(centerpan, BorderLayout.CENTER);
JPanel southpan = new JPanel();
southpan.setBorder(new TitledBorder("South Panel (white foreground)"));
southpan.setBackground(Color.blue);
southpan.setForeground(Color.white);
JLabel labelsouth = new JLabel("A green label in the south panel ");
labelsouth.setForeground(Color.green);
southpan.add(labelsouth);
JButton okButton = new JButton("OK");
okButton.addActionListener(this);
southpan.add(okButton);
contentPane.add(southpan, BorderLayout.SOUTH);
okButton.setMnemonic(KeyEvent.VK_F10);
pack();
}