A simple program that I wrote that we ask the user to give a number and then the program will compute the factorial value of the number using JSP and JSTL. The code is very simple and easy to understand.
My mobile number here in the Philippines is 09173084360
Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com
My mobile number here in the Philippines is 09173084360
Sample Program Output
Program Listing
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<html>
<head>
<title> Factorial Solver Solver in JSTL and JSP</title>
</head>
<style>
body
{
font-family:arial;
font-weight:bold;
size:12px;
color:blue;
}
</style>
<body>
<h2> Factorial Solver in JSTL and JSP </h2>
<br>
<form method="post">
Enter a number
<input type="text" name="number" size="3" value="<c:out value="${param.number}"/>" autofocus/><br>
<br> <br>
<input type="submit" value="Compute Factorial" title="Click here to findout the factorial value." />
<br />
</form>
<c:if test="${pageContext.request.method=='POST'}">
<%!
int numberfactorial(int number)
{
if (number == 1) {
return number;
}
else {
return number * numberfactorial(number - 1);
}
}
%>
<%int no = Integer.parseInt(request.getParameter("number"));%>
<%
out.println("The factorial of " + no + " is " + numberfactorial(no)+ ".");
%>
</c:if>
</body>
</html>
