JTabbedPane

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.BorderLayout;
import javax.swing.JButton;
import javax.swing.JPanel;


public class Tabbed1 extends JFrame implements ActionListener, Constants{
    JTabbedPane tp = new JTabbedPane();

    Tabbed1(){
        Color[] back = {BLUE, YELLOW, RED, WHITE, BLACK};
        Color[] fore = {WHITE, BLACK, YELLOW, BLACK, WHITE};
        String[] txt = {"Top","Left","Right","Bottom","Default"};
        String[] loc = {"North","West","East","South","Center"};
        int[] place = {TOP, LEFT, RIGHT, BOTTOM, TOP};
        JButton b = null;
        JPanel p = null;
        for(int i=0;i<back.length;i++){
            p = new JPanel(new BorderLayout());
            for(int j=0;j<txt.length;j++){
                b = new JButton(txt[j]);
                b.addActionListener(this);
                b.putClientProperty("Place", new Integer(place[j]);
                p.add(b, loc[j]);
            }
            tp.addTab("Tab"+(i+1),p);
            tp.setBackgroundAt(i, back[i]);
            tp.setForegroundAt(i, fore[i]);
        }
        getContentPane().add(tp);
        setSize(800,600);
        setVisible(true);
    }

    public void actionPerformed(ActionEvent e){
        JComponent c = (JComponent) e.getSource();
        Integer prop = (Integer) c.getClientProperty("Place");
        tp.setTabPlacement(prop.intValue());
        JComponent p = (JComponent) tp.getSelectedComponent();
        Component[] b = p.getComponents();
        for(int i=0;i<b.length;i++) b[i].setEnabled(false);
        int tabs = tp.getTabCount();
        int index = tp.getSelectedIndex();
        if(index==tabs-1) index=0;
        else index++;
        tp.setSelectedIndex(index);
    }
}