Java tutorial
import javax.swing.JMenuItem; public class Main { public static void main(String[] argv) throws Exception { JMenuItem item = new JMenuItem("Label") { public void menuSelectionChanged(boolean isSelected) { super.menuSelectionChanged(isSelected); if (isSelected) { System.out.println("The menu item is selected"); } else { System.out.println("The menu item is no longer selected"); } } }; } }