HttpServletRequest doubt

[Sen George]

With reference to the following code,

 
public class test_req extends HttpServlet {
   
   public void doPost(HttpServletRequest request, HttpServletResponse response) 
             throws IOException, ServletException {

I know that HttpServletRequest interface extends javax.servlet.ServletRequest interface and the implementing class for ServletRequest interface is the ServletRequestWrapper class. My doubt is that how is a call like 'request.getParameter', for example, resolved at runtime. Is this something done by a container?

[Bear Bibeault]

Please take the time to choose the correct forum for your posts. This forum is for questions on JSP.

For more information, please read this.

This post has been moved to a more appropriate forum.

[Bear Bibeault]

The container will provide a concrete implementation of the interfaces.