jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>JSTL Core Tags Demo</title>
</head>
<body>
<c:set var="name" value="John" />
<c:if test="${name eq 'John'}">
<p>Welcome, ${name}!</p>
</c:if>
</body>
</html>
<jsp-config>
<taglib>
<taglib-uri>http://java.sun.com/jsp/jstl/core</taglib-uri>
<taglib-location>/WEB-INF/lib/jstl-core.jar</taglib-location>
</taglib>
</jsp-config>
