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Area of the Circle Solver in JSTL

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Submitted on: 5/29/2016 1:49:37 PM
By: Jake R. Pomperada  
Level: Beginner
User Rating: Unrated
Compatibility: Java (JDK 1.5)
Views: 1609
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     A simple program that I wrote using JSTL of Java Server Pages Standard Tag Library that will ask the user to give the radius of the circle and then our program will compute the area of the circle. Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com My mobile number here in the Philippines is 09173084360

 
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//**************************************
// Name: Area of the Circle Solver in JSTL
// Description:A simple program that I wrote using JSTL of Java Server Pages Standard Tag Library that will ask the user to give the radius of the circle and then our program will compute the area of the circle.
 Add me at Facebook my address is jakerpomperada@gmail.com and jakerpomperada@yahoo.com
My mobile number here in the Philippines is 09173084360
// By: Jake R. Pomperada
//**************************************

<%@ 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> Area of the Circle Solver in JSTL</title>
</head>
<style>
body 
{
font-family:arial;
font-weight:bold; 
size:12px;
color:blue;
}
</style>
<body>
 <h2> Area of the Circle Solver in JSTL</h2>
 <br>
 <form method="post">
 Enter the Radius    
<input type="text" name="radius" size="3" value="<c:out value="${param.radius}"/>" autofocus/><br>
 <br> <br>
 <input type="submit" value="Compute Area" title="Click here to findout the area of the circle." />
 <br />
</form>
<c:if test="${pageContext.request.method=='POST'}">
 <c:set var="convert" scope="session" 
 value="${ (param.radius* param.radius) * 3.1416}"/>
 <br>
The area of the circle is <fmt:formatNumber value="${convert}" maxFractionDigits="2"/>.
</c:if>
</body>
</html>


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