Listen for Selected Tab Changed event for JTabbedPane in Java

import java.awt.BorderLayout;
/*w  ww . j  a va  2 s  .  co m*/
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class Main {
  static void add(JTabbedPane tabbedPane, String label) {
    JButton button = new JButton(label);
    tabbedPane.addTab(label, button);
  }

  public static void main(String args[]) {
    JFrame frame = new JFrame("Tabbed Pane Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JTabbedPane tabbedPane = new JTabbedPane();

    String titles[] = { "General", "Security", "Content", "Connection", "Programs", "Advanced" };
    for (int i = 0, n = titles.length; i < n; i++) {
      add(tabbedPane, titles[i]);
    }

    ChangeListener changeListener = new ChangeListener() {
      public void stateChanged(ChangeEvent changeEvent) {
        JTabbedPane sourceTabbedPane = (JTabbedPane) changeEvent.getSource();
        int index = sourceTabbedPane.getSelectedIndex();
        System.out.println("Tab changed to: " + sourceTabbedPane.getTitleAt(index));
      }
    };
    tabbedPane.addChangeListener(changeListener);
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}