JavaServer Pages (JSP): Bonus for Java™ Developers
Our discussion of client–server networking continues in this chapter with JavaServer Pag-es (JSP)—an extension of servlet technology. JavaServer Pages simplify the delivery of dynamic Web content. They enable Web application programmers to create dynamic content by reusing predefined components and by interacting with components using server-side scripting. JavaServer Page programmers can reuse JavaBeans and create custom tag librar-ies that encapsulate complex, dynamic functionality. Custom-tag libraries even enable Web-page designers who are not familiar with Java to enhance Web pages with powerful dynamic content and processing capabilities.
In addition to the classes and interfaces for programming servlets (from packages javax.servlet and javax.servlet.http), classes and interfaces specific to JavaServer Pages programming are located in packages javax.servlet.jsp and javax.servlet.jsp.tagext. We discuss many of these classes and interfaces throughout this chapter as we present JavaServer Pages fundamentals. For a complete description of JavaServer Pages, see the JavaServer Pages 1.1 specification, which can be downloaded from java.sun.com/products/jsp/download.html. We also include other JSP resources in Section 31.9. [Note: The source code and images for all the examples in this chapter can be found on the CD that accompanies this book and on our Web site www.deitel.com.]
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