()</pre>
<div class="block">Default constructor. An empty MimeMultipart object
 is created. Its content type is set to "multipart/mixed".
 A unique boundary string is generated and this string is
 setup as the "boundary" parameter for the
 <code>contentType</code> field. <p>

 MimeBodyParts may be added later.</div>
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<h4>MimeMultipart</h4>
<pre>public&nbsp;MimeMultipart&#8203;(java.lang.String&nb