--- old/src/share/classes/java/awt/CardLayout.java 2014-04-30 01:15:04.000000000 -0700 +++ new/src/share/classes/java/awt/CardLayout.java 2014-04-30 01:15:04.000000000 -0700 @@ -560,6 +560,7 @@ /** * Reads serializable fields from stream. */ + @SuppressWarnings("unchecked") private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException {