Sunday, May 29, 2016

Positive and Negative Number Checker in JSTL

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

 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


<%@ 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>Positive and Negative Number Checker in JSTL</title>
</head>
<style>
body 
{
font-family:arial;
font-weight:bold;
size:12px;
color:blue;
}
</style>
<body>
  <h2> Positive and Negative 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 Positive or Negative" />

    <br />
    </form>
<c:if test="${pageContext.request.method=='POST'}">
      <c:if test="${param.number >= 0}"> 
       <br /> <br /><br>
      The given number is POSITIVE.
     
      </c:if>
      <br /> <br /><br>
      <c:if test="${param.number < 0}"> The given number is NEGATIVE.
     
      </c:if>
    </c:if>
  
</body>
</html>

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