JSTL fn:toUpperCase() Function

The fn:toUpperCase() function converts all the characters of a string to uppercase. JSTL toLowerCase Function returns String that contains all characters in lower case.

Syntax:
The fn:toUpperCase() function has following syntax:
java.lang.String toLowerCase(java.lang.String)

Example:

Following is the example to explain the functionality of this function:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>JSTL ToUpperCase Function Example</title>
</head>
<body>
  <c:out value="${fn:toUpperCase('Dinesh Rajput')}"/>
</body>
</html>

Output: DINESH RAJPUT

As you can see above, fn:toUpperCase() takes a String as input parameter. It converts all characters in that String to upper case and returns it with all upper case characters.





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