JSTL Functions - length()
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)
JSTL Example :
<%@ 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>JSTL Tutorial</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