how to clear browser cache programmatically in jsp?

Question

In my web application there is some problem due to browser cache.

How to clear the browser cache when loading my jsp page?

How can i include clear cache code

Answer 1

 <%
response.setHeader("Cache-Control", "no-cache");
response.setHeader("Cache-Control", "no-store");
response.setHeader("Pragma", "no-cache");
response.setDateHeader("Expires", 0);
 %>

work perfect in jsp and remember to check session

<%

User u = (User) request.getSession().getAttribute("user");
if (u != null ) {
//show page
}else{
// redirect to login page
}

%>