<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>  
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>  
  
  
  
  
  
  
  
Length of the String-1 is: ${fn:length(str1)}
  
Length of the String-2 is: ${fn:length(str2)}