p;getUserPrincipal()</pre>
<div class="block">Return the authenticated user for this Session or <code>null</code> if no user is authenticated for this session.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the user principal.</dd>
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<h4>getOpenSessions</h4>
<pre><a href="http://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in ja