import javax.swing.JButton;
import javax.swing.JTabbedPane;
public class Main {
public static void main(String[] argv) throws Exception {
JTabbedPane pane = new JTabbedPane();
pane.addTab("Tab Label", new JButton("Button"));
// Get index of the new tab
int index = pane.getTabCount() - 1;
// Determine whether the tab is enabled
boolean enabled = pane.isEnabledAt(index);
// Disable the tab
pane.setEnabledAt(index, false);
}
}