Sunday, May 29, 2016

Odd and Even Number Checker in JSTL

A simple program that I wrote that will check if the given number is an odd or even number using JSTL or JSP Standard Tag Library. The code is very easy to understand and learn from it.

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My mobile number here in the Philippines is 09173084360







Sample Program Output


Program Listing

index.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!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=ISO-8859-1">
<title>Odd and Even Number in JSTL</title>
</head>
<style>
body 
{
font-family:arial;
font-weight:bold;
size:12px;
color:blue;
}
</style>
<body>
  <h2> Odd and Even Number Checker in JSTL</h2>
  <br>
  <form method="post">Enter a Number &nbsp; &nbsp;

    <input type="text" name="number" />
   <br> <br>
     <input type="submit" value="Check Number"
     title="Click here to find if the given number is an ODD or EVEN" />

    <br />
    </form>
<c:if test="${pageContext.request.method=='POST'}">

      <c:if test="${param.number % 2 == 0}"> 
       <br /> <br /><br>
      You give an EVEN number.
     
      </c:if>
      <br /> <br /><br>
      <c:if test="${param.number % 2 != 0}"> You give an ODD number.
     
      </c:if>
    </c:if>
  
</body>
</html>


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