The <fn: toLowerCase> is function of JSTL which is used to returns all the characters of string to lower case. It converts input string to a lower case string. The string which needs to be changed to lower case is passed as argument and converted string is being returned by the function.
Syntax Of <fn: toLowerCase> Tag
[code lang=”html”]
String fn: toLowerCase(string)
[/code]
Example
[code lang=”html”]
<%@ 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:toLowerCase()</title>
</head>
<body>
<c:set var="str" value="WELCOME TO JAVABEAT"></c:set>
<c:out value="${fn:toLowerCase(str)}"></c:out>
</body>
</html>
[/code]
Here we are converting the text “WELCOME TO JAVABEAT” to lower case.
Steps for Execution
- Save the file as toLowerCaseExample.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:
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