First JSP Page
Find out Factorial value by using jsp.
First install Netbeans Software. Then choose new project(web application). Now select a index.jsp page within "Web pages". and paste the following code to create a simple html page(i.e. your index page)
CODE :
<%--
Document : index
Created on : 12 Oct, 2012, 7:35:11 PM
Author : nested code team
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body><br><br><center>
<form action="fact.jsp ">
<h1>Enter the no :: <input type=text name=n ><br><br>
<input type=submit value="Submit"></h1>
</form></center>
</body>
</html>
The Output will be like ::
Now we have to create the "fact.jsp" page, so choose again a new jsp page and give the name as "fact.jsp". Now paste the following code.
CODE :
<%--
Document : fact
Created on : 12 Oct, 2012, 7:37:19 PM
Author : Nested code team
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Page</title>
</head>
<body><center><h1>The required Factorial value is:: </h1>
<h2>
<%
int n=0,i;
int fact=1;
String ns= request.getParameter("n");
n=Integer.parseInt(ns);
if(n>1)
{
fact=1;
for(i=1;i<=n;i++)
{
fact=fact*i;
}
}
out.println("fact= "+fact);
%>
</h2></center>
</body>
</html>
The Output for this code like ::
Note : For any further query, write down in comments box. You already created your first jsp page. Now go for the next lesson. Thank you.
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