JSP 清除瀏覽器cache

How do you clear the browser cache in jsp?
http://wiki.answers.com/Q/How_do_you_clear_the_browser_cache_in_jsp

<%
response.setHeader("Cache-Control","no-cache"); //HTTP 1.1
response.setHeader("Pragma","no-cache"); //HTTP 1.0
response.setDateHeader ("Expires", 0); //prevents caching at the proxy server
%>