How to use JSP and session in java

/*
<%@ page import="com.java2s.*"%>

Thankyou for your request

Thankyou for your request for more information.
It will be sent to you shortly.
<%
MoreInfoRequest infoRequest = new MoreInfoRequest();
infoRequest.setCourses(request.getParameter("courses"));
infoRequest.setFirstName(request.getParameter("firstName"));
infoRequest.setLastName(request.getParameter("lastName"));
infoRequest.setEmail(request.getParameter("email"));

// this is the method that will bind an object to a session
session.setAttribute("infoRequest", infoRequest);
%>

Click here to view your request.


*/

package com.java2s;

public class MoreInfoRequest
{
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}

public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}

public String getCourses() {
return courses;
}
public void setCourses(String courses) {
this.courses = courses;
}

public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}

private String firstName;
private String lastName;
private String email;
private String courses;
}

Your Request

Here is the information that you submitted to us for processing.
<%
MoreInfoRequest infoRequest =
(MoreInfoRequest) session.getAttribute("infoRequest");
%>

Course name: <%=infoRequest.getCourses()%>

Your name: <%=infoRequest.getFirstName()%>
<%=infoRequest.getLastName()%>

Your email: <%=infoRequest.getEmail()%>