JSTL - fn:toUpperCase() Function


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The fn:toUpperCase() function converts all the characters of a string to uppercase.

Syntax

The fn:toUpperCase() function has the following syntax −

java.lang.String tolowercase(java.lang.String)

Example

Following example explains the functionality of the fn:toUpperCase() function −

<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
<%@ taglib uri = "http://java.sun.com/jsp/jstl/functions" prefix = "fn" %>

<html>
   <head>
      <title>Using JSTL Functions</title>
   </head>

   <body>
      <c:set var = "string1" value = "This is first String."/>
      <c:set var = "string2" value = "${fn:toUpperCase(string1)}" />

      <p>Final string : ${string2}</p>
   </body>
</html>

You will receive the following result −

Final string : THIS IS FIRST STRING.
jsp_standard_tag_library.htm

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