String</a>&gt;</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jakarta/servlet/http/HttpServletRequest.html#getHeaderNames--">getHeaderNames</a></span>()</code>
<div class="block">Returns an enumeration of all the header names this request contains.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/util/Enumeration.html?is-external=true" title="class or interface in java.util">Enumeration</a