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

class TabbedPaneTest implements ActionListener {
	JTabbedPane tabbedPane;
	JButton addTab, txtDisplay;
	int n=1;
	
	public void setUp() {		
		tabbedPane = new JTabbedPane();
		tabbedPane.add("Default",new JTextArea());
		
		addTab = new JButton("Add Tab");
		addTab.addActionListener(this);
		txtDisplay = new JButton("Display Text on JTextArea");
		JPanel panelButtons = new JPanel();
		panelButtons.add(txtDisplay);
		panelButtons.add(addTab);
		
		JTextField txtField = new JTextField();
		
		JPanel panelSouth = new JPanel(new BorderLayout());
		panelSouth.add(panelButtons, BorderLayout.EAST);
		panelSouth.add(txtField, BorderLayout.CENTER);
		
		JPanel masterPanel = new JPanel(new BorderLayout());
		masterPanel.add(tabbedPane, BorderLayout.CENTER);
		masterPanel.add(panelSouth, BorderLayout.SOUTH);
		
		JFrame frame = new JFrame("JTabbedPane Problem");
		frame.getContentPane().add(masterPanel);
		frame.setSize(620, 480);
		frame.setVisible(true);
	}
	
	public void actionPerformed(ActionEvent e) {
		if (e.getSource() == addTab) {
			tabbedPane.add("Tab " + n, new JTextArea());
			n++;
		}
	}
	
	public static void main(String args[]) {
		TabbedPaneTest test = new TabbedPaneTest();
		test.setUp();
	}
}