JSTL Function fn:toUpperCase()

The <fn: toUpperCase> is function of JSTL which is used to returns all the characters of string to upper case. It converts input string to an upper case string. The string which needs to be changed to upper case is passed as argument and converted string is being returned by the function.

Syntax Of <fn: toUpperCase> Tag

String fn: toUpperCase(string)

Example

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
	pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<%@ 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>JSTL fn:toUpperCase()</title>
</head>
<body>

	<c:set var="str" value="welcome to javabeat"></c:set>
	<c:out value="${fn:toUpperCase(str)}"></c:out>

</body>
</html>

Here the text “welcome to javabeat” is converted to uppercase.

Steps for Execution

  • Save the file as toUpperCaseExample.jsp in eclipse IDE.
  • Now select the jsp file, right click on mouse and select Run as -> Run on Server.

Output

After successful execution of the program we will get the following result:
fn_uppercase

 

Previous Tutorial :  JSTL Function fn:toLowerCase()  :: Next Tutorial : JSTL Function fn:trim()

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He is Founder and Chief Editor of JavaBeat. He has more than 8+ years of experience on developing Web applications. He writes about Spring, DOJO, JSF, Hibernate and many other emerging technologies in this blog.

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