src/java.desktop/share/classes/java/awt/desktop/AppHiddenEvent.java

@@ -32,15 +32,17 @@
 /**
  * Event sent when the application has been hidden or shown.
  *
  * @see AppHiddenListener#appHidden(AppHiddenEvent)
  * @see AppHiddenListener#appUnhidden(AppHiddenEvent)
- *
  * @since 9
  */
 public final class AppHiddenEvent extends AppEvent {
 
+    /**
+     * Use serialVersionUID from JDK 9 for interoperability.
+     */
     private static final long serialVersionUID = 2637465279476429224L;
 
     /**
      * Constructs an {@code AppHiddenEvent}.
      *