Name Interface Tomcat Implementation
request javax.servlet.http.HttpServletRequest org.apache.catalina.connector.RequestFacade

how to access jsp implicit object request in jsp page?

<% out.println(request.getParameter("who")); %>

JSP implicit object pageContext example program (github)

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<!-- jsp implicit object request example -->
Tomcat implementation of jsp implicit object request : <% out.println(request.getClass().getCanonicalName()); %> <br/>
<!-- how to access jsp implicit object request in jsp page -->
Request parameter who : <% out.println(request.getParameter("who")); %> <br/>
<!-- how to access session object request in jsp page -->
Access Session object from request : <%out.println(request.getSession().getId()); %> <br/>
<!-- how to set attribute in request object -->
<%request.setAttribute("attribute1", "attribute1Value"); %>
Access request attribute : <%out.println(request.getAttribute("attribute1")); %>

How to run the JSP request context sample program