Basic JSP Tutorials
Advanced JSP Tutorials
JSP Useful References
JSP Useful Resources
Selected Reading
© 2011 TutorialsPoint.COM
|
JSTL fn:length() Function
The fn:length() function returns the string length or the number of items in a collection.
Syntax:
The fn:length() function has following syntax:
int length(java.lang.Object)
|
Example:
Following is the example to explain the functionality of this 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="This is second String." />
<p>Length of String (1) : ${fn:length(string1)}</p>
<p>Length of String (2) : ${fn:length(string2)}</p>
</body>
</html>
|
This would produce following result:
Length of String (1) : 21
Length of String (2) : 22
|
|
|
|