The JavaServer Pages Standard Tag Library (JSTL) is a collection of useful JSP tags which encapsulates the core functionality common to many JSP applications. JSTL has support for common, structural tasks such as iteration and conditionals, tags for manipulating XML documents, internationalization tags, and SQL tags. JSTL • JSP introduced supported for a special tag library called the JSP Standard Tag Library (JSTL) • Version released in June Version released in June • The JSTL saves programmers from having to develop custom tag libraries for a range of common tasks, such as if statements, conditional loops etc. The lack of a standard tag library helped fuel the ﬁre for the JSTL. Many of the features of the expression language supported in the standard tag library have been folded into the next release of the JSP speciﬁcation—which is JSP or JSR But the JSTL remains a separate entity. JSTL Overview • Full JSTL – Contains many common and useful JSP custom tags – Particularly useful when you are using MVC, but the data contains a varying number of entriesdata contains a varying number of entries. The JavaServer Pages Standard Tag Library JSTL is a collection of useful JSP tags which encapsulates core functionality common to many JSP applications. JSTL has support for common, structural tasks such as iteration and conditionals, tags for manipulating XML .JspFactory _jspxFactory = null; CircleEnsembleTheatre.comntext pageContext = null; . HttpSession session = null;. ServletContext application = null;. ServletConfig. authoring. The JSP Standard Tag Library (JSTL) will provide you with a plethora of useful The release implements the JSP and Servlet specifica-. Declaration of JSTL Tag Libraries. ○ Core. – jsp/jstl/core" %>. ○ XML. – <%@ taglib prefix="x". An introduction to JSTL. • The JSP Standard Tag Library (JSTL) provides tags for common. JSP tasks. • Before you can use JSTL tags within an application, you. where the JSP Standard Tag Library (JSTL) comes to rescue. However, unlike JSP EL, c:out tag lets you specify a default value to output if the resulting.