The JSP Standard Tag Library (JSTL) represents a set of tags to simplify the JSP development.

Advantage of JSTL

  1. Fast Development JSTL provides many tags that simplify the JSP.
  2. Code Reusability We can use the JSTL tags on various pages.
  3. No need to use scriptlet tag It avoids the use of scriptlet tag.

JSTL Tags

There JSTL mainly provides five types of tags:

Tag Name Description
Core tags The JSTL core tag provide variable support, URL management, flow control, etc. The URL for the core tag is http://java.sun.com/jsp/jstl/core. The prefix of core tag is c.
Function tags The functions tags provide support for string manipulation and string length. The URL for the functions tags is http://java.sun.com/jsp/jstl/functions and prefix is fn.
Formatting tags The Formatting tags provide support for message formatting, number and date formatting, etc. The URL for the Formatting tags is http://java.sun.com/jsp/jstl/fmt and prefix is fmt.
XML tags The XML tags provide flow control, transformation, etc. The URL for the XML tags is http://java.sun.com/jsp/jstl/xml and prefix is x.
SQL tags The JSTL SQL tags provide SQL support. The URL for the SQL tags is http://java.sun.com/jsp/jstl/sql and prefix is sql.