Enabling and Disabling a Tab in a JTabbedPane Container

 

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);
  }
}

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Enabling and Disabling a Tab in a JTabbedPane Container : TabbedPane « Swing JFC « Java

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