src/java.desktop/share/classes/javax/swing/event/EventListenerList.java

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 100,110 ****
  @SuppressWarnings("serial")
  public class EventListenerList implements Serializable {
      /* A null array to be shared by all empty listener lists*/
      private static final Object[] NULL_ARRAY = new Object[0];
      /** The list of ListenerType - Listener pairs */
!     protected transient Object[] listenerList = NULL_ARRAY;
  
      /**
       * Passes back the event listener list as an array
       * of ListenerType-listener pairs.  Note that for
       * performance reasons, this implementation passes back
--- 100,110 ----
  @SuppressWarnings("serial")
  public class EventListenerList implements Serializable {
      /* A null array to be shared by all empty listener lists*/
      private static final Object[] NULL_ARRAY = new Object[0];
      /** The list of ListenerType - Listener pairs */
!     protected volatile transient Object[] listenerList = NULL_ARRAY;
  
      /**
       * Passes back the event listener list as an array
       * of ListenerType-listener pairs.  Note that for
       * performance reasons, this implementation passes back