Is doFilter() executed before or after the Servlet's work is done?

Question

The javax.servlet.Filter object can be used both for authentication (where the Filter needs to catch the request before any servlet work needs to be done) and for XSLT trans

Answer 1

According to the servlet2.3 specification filter is performed according to web.xml configuration of filter- mapping sequence Ref-http://www.programering.com/a/MTMyADOwATI.html