diff a/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialArray.java b/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialArray.java
--- a/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialArray.java
+++ b/src/java.sql.rowset/share/classes/javax/sql/rowset/serial/SerialArray.java
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2020, 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
@@ -606,10 +606,15 @@
     }
 
     /**
      * readObject is called to restore the state of the {@code SerialArray} from
      * a stream.
+     * @param s the {@code ObjectInputStream} to read from.
+     *
+     * @throws  ClassNotFoundException if the class of a serialized object
+     *          could not be found.
+     * @throws  IOException if an I/O error occurs.
      */
     private void readObject(ObjectInputStream s)
             throws IOException, ClassNotFoundException {
 
        ObjectInputStream.GetField fields = s.readFields();
@@ -626,10 +631,12 @@
     }
 
     /**
      * writeObject is called to save the state of the {@code SerialArray}
      * to a stream.
+     * @param s the {@code ObjectOutputStream} to write to.
+     + @throws  IOException if I/O errors occur.
      */
     private void writeObject(ObjectOutputStream s)
             throws IOException {
 
         ObjectOutputStream.PutField fields = s.putFields();