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In this chapter, we discuss the two technologies that the Struts Framework is based on: Java Servlets and JavaServer Pages (JSP). We begin by describing the servlet architecture, including the servlet lifecycle; the relationship between the ServletContext and a Web application; and how you can retrieve form data using servlets.
Once you have a solid understanding of servlets, we move on to discussing JSPs, which act as the View component in the Struts Framework. In our JSP discussions, we define JSPs and describe their components.
The goal of this chapter is to provide you with a brief introduction to the servlet and JSP technologies. At the end of this chapter, you should have a clear understanding of both servlets and JSPs and where they fit into Java Web application development.
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