import javax.swing.MenuElement;
import javax.swing.MenuSelectionManager;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Main {
public static void main(String[] argv) throws Exception {
MenuSelectionManager.defaultManager().addChangeListener(
new ChangeListener() {
public void stateChanged(ChangeEvent evt) {
MenuSelectionManager msm = (MenuSelectionManager) evt.getSource();
MenuElement[] path = msm.getSelectedPath();
if (path.length == 0) {
}
}
});
}
}