Insert a tab after the first tab for JTabbedPane in Java

  /*from w w  w.j  a va2 s  .c  om*/
import java.awt.BorderLayout;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTabbedPane;

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

    JTabbedPane tabbedPane = new JTabbedPane();
    tabbedPane.addTab("java2s.com", new JButton("a"));
    tabbedPane.addTab("java2s.com", new JButton("a"));

    int index = 1;
    tabbedPane.insertTab("label", new ImageIcon("a.gif"), new JButton("new"), "tooltip", index);


    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}