import org.openide.awt.ActionID; import org.openide.awt.ActionReference; import org.openide.awt.ActionRegistration; import javax.swing.AbstractAction; import java.awt.event.ActionEvent; @ActionID(id = "com.example.MyAction", category = "File") @ActionReference(path = "Toolbars/File", position = 0) @ActionRegistration(displayName = "My Action") public class MyAction extends AbstractAction { public MyAction() { super("My Action"); } @Override public void actionPerformed(ActionEvent e) { } }