Today, you have looked at using JavaServer Pages as a means of developing Web-based J2EE applications. Unlike servlets, JSPs allow you to develop your Web pages in HTML with embedded Java code when dynamic elements are required.
JSP pages are translated into Java servlets and compiled before they are used to service client requests. To the browser, a JSP is no different to any other Web page.
JSP defines three elements to supplement the standard HTML tags:
Directives that are used to pass information to the page translation phase
Scripts that define Java code used to embed dynamic data in the page
Actions that define JSP tags used to support JavaBeans
JavaBeans are used to encapsulate Java functionality to remove some Java script code from ...