Enable and Disable a Tab in JTabbedPane in Java

  //  w ww  . ja  v a  2 s.  c o m
import java.awt.BorderLayout;

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"));

    // Get index of the new tab
    int index = tabbedPane.getTabCount() - 1;

    // Determine whether the tab is enabled
    boolean enabled = tabbedPane.isEnabledAt(index);

    // Disable the tab
    tabbedPane.setEnabledAt(index, false);
    
    frame.add(tabbedPane, BorderLayout.CENTER);
    frame.setSize(400, 150);
    frame.setVisible(true);
  }
}