JavaServer Pages (JSP) is a technology that lets you embed Java code inside HTML pages. This code can be inserted by means of <% %> blocks or by means of JSTL tags. To insert Java code into JSP, JSTL tags are generally preferred, since tags adapt better to their own tag representation of HTML, making JSP pages look more readable.
Tip
JSP even lets you define your own tags; you must write the code that actually implements the logic of your own tags in Java.
JSTL is just a standard tag library provided by Oracle. We can add a reference to the JSTL tag library in our JSP pages as follows:
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
Similarly, Spring MVC also provides its own tag library to develop Spring JSP views easily and effectively. These tags provide a lot of useful common functionality such as form binding, evaluating errors, and outputting messages, and more when we work with Spring MVC.
In order to use these...