JavaServer Pages Standard Tag Library (JSTL)
The JSTL is a collection of custom JSP tags and a supporting expression language that has been designed to simplify writing JSPs. Full details of the JSTL can be found at http://java.sun.com/products/jsp/jstl/. The JSTL is a standard component of J2EE 1.4 but you can also download it for use with J2EE 1.3 compliant servletcontainers.
The JSTL specification defines several tag libraries each supporting a particular functional area and having its own JSP namespace and TLD URI. The areas are summarized in Table 14.1.
|Function||Namespace Prefix||TLD URL|
|Core – conditional, iterators and URL actions||c||http://java.sun.com/jsp/jstl/core|
|XML processing||x||http://java.sun.com/jsp/jstl/xml ...|