--- old/src/java.desktop/share/classes/java/awt/desktop/QuitEvent.java 2018-12-04 16:22:45.000000000 -0800 +++ new/src/java.desktop/share/classes/java/awt/desktop/QuitEvent.java 2018-12-04 16:22:44.000000000 -0800 @@ -33,11 +33,13 @@ * Event sent when the application is asked to quit. * * @see QuitHandler#handleQuitRequestWith(QuitEvent, QuitResponse) - * * @since 9 */ public final class QuitEvent extends AppEvent { + /** + * Use serialVersionUID from JDK 9 for interoperability. + */ private static final long serialVersionUID = -256100795532403146L; /**