What You Need to Know
It’s always hard to assume how much you, as the reader, already know. For this book, it was even harder since the material is intended for two types of audiences: page authors and programmers.
I’ve assumed that anyone reading this book has experience with HTML; consequently, I won’t explain the standard HTML elements used in the examples. But even if you’re an HTML wiz, this may be your first exposure to dynamic web content and web applications. A thorough introduction to the HTTP protocol that drives all web applications as well as to the concepts and features that are specific to servlet and JSP-based web applications are, therefore, included. If you want to learn more about HTML, I recommend HTML and XHTML: The Definitive Guide by Chuck Musciano and Bill Kennedy (O’Reilly).
If you’re a page author, I have assumed that you don’t know anything about programming, although it doesn’t hurt if you have played around with client-side scripting languages, such as VBScript or JavaScript (ECMAScript). Using standard and custom components, you should rarely, if ever, have to deal with Java code. Except for one chapter, which deals specifically with how to embed Java code in a JSP page, none of the examples in Part I and Part II requires Java programming knowledge.
I have assumed that the programmers reading this book are familiar with Java programming, object-oriented concepts, and Java servlets. If you plan to develop JSP components for page authors and aren’t familiar ...
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