src/share/classes/java/awt/CardLayout.java

@@ -558,10 +558,11 @@
     }
 
     /**
      * Reads serializable fields from stream.
      */
+    @SuppressWarnings("unchecked")
     private void readObject(ObjectInputStream s)
         throws ClassNotFoundException, IOException
     {
         ObjectInputStream.GetField f = s.readFields();