sp;subtype)</pre>
<div class="block">Construct a MimeMultipart object of the given subtype.
 A unique boundary string is generated and this string is
 setup as the "boundary" parameter for the
 <code>contentType</code> field.
 Calls the <a href="#initializeProperties()"><code>initializeProperties()</code></a> method.<p>

 MimeBodyParts may be added later.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>subtype</code> - the MIME content subtype</dd>
</dl>
</li>
</ul>
<a id="&lt;init