JSTL Function fn:toUpperCase Example

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Last Updated on 30 August 2019   |   Print  Email


This post helps you understand how to use the <fn:toUpperCase> tag in the JSTL function tags library with code example.

The fn:toUpperCase function converts all the characters of a given string to upper case.

 

JSTL <fn:toUpperCase> Syntax:

${fn.toUpperCase(<string or var>)}

 

JSTL <fn:toUpperCase> Example:

The following code snippet converts all the lower case characters to upper case.

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <title>fn:toUpperCase Demo</title>
  </head>
  <body>
	<h1>fn:toUpperCase Demo</h1>

	<c:set var="text" value=" codejava.net is great source of information"/>
	Text before conversion:  <c:out value="${text}"/><br/><br/>
	<c:set var="text" value="${fn:toUpperCase(text)}"/>
	Text after conversion:  <c:out value="${text}"/><br/><br/>
  </body>
</html>

 

Output:

JSTL function fn-toUpperCase

 

Other JSTL Function Tags:

contains  |  containsIgnoreCase  |  endsWith |  escapeXml  |  indexOf  |  join  |  length  |  replace  |  split  |  startsWith  |  substring  |  substringAfter  |  substringBefore  |  toLowercase  |  trim


About the Author:

is certified Java programmer (SCJP and SCWCD). He began programming with Java back in the days of Java 1.4 and has been passionate about it ever since. You can connect with him on Facebook and watch his Java videos on YouTube.


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