ommunicated via
 HTTP headers if the servlet does not specify a content type; however, it is still used to encode text written via the
 servlet response's writer.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>charset</code> - a String specifying only the character set defined by IANA Character Sets
 (http://www.iana.org/assignments/character-sets) or <code>null</code></dd>
<dt><span class="simpleTagLabel">Since:</span></dt>
<dd>Servlet 2.4</dd>
<dt><span class="seeLabel">See Also