Label">Parameters:</span></dt>
<dd><code>addresses</code> - array of InternetAddress objects</dd>
<dd><code>used</code> - number of character positions already used, in
                  the field into which the address string is to
                  be inserted.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>comma separated string of addresses</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.ClassCastException</code> - if any address object in the
                    