=UTF-8</code>. The
 response's character encoding is only set from the given content type if this method is called before
 <a href="#getWriter()"><code>getWriter()</code></a> is called.
 <p>
 This method may be called repeatedly to change content type and character encoding. This method has no effect if
 called after the response has been committed. It does not set the response's character encoding if it is called after
 <code>getWriter</code> has been called or after the response has been committed.
 <p>
 