../../jakarta/servlet/http/HttpSessionEvent.html" title="class in jakarta.servlet.http">HttpSessionEvent</a>&nbsp;se)</code>
<div class="block">Notification that the session has just been activated.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><span class="typeNameLabel">HttpSessionIdListener.</span><code><span class="memberNameLink"><a href="../../../../jakarta/servlet/http/HttpSessionIdListener.html#sessionIdChanged-jakarta.servlet.http.HttpSessio