<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="fn" uri="http://jakarta.apache.org/tomcat/functions"%>
<!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=UTF-8">
<title>EL function demo</title>
</head>
<body>
To reverse "Hello, world!": "${fn:reverse("Hello, world!")}",
<br />
The length of "Hello, world!" is ${fn:getStringSize("Hello, world!")}.
</body>
</html>