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In the Java universe, the interface layer of the ubiquitous model-view-controller (MVC) software design paradigm is handled by either servlets of JavaServer Pages (JSP). The second edition of Core Servlets and JavaServer Pages, like its predecessor, documents these handy technologies fully and practically. Far more than a straight API reference, this book presents examples - complete with code and a listing or screen shot showing results - wherever possible. It's a fantastic strategy for communicating to programmers what they need to do in order to achieve the effects and behaviors they desire. What's new in the second edition? Lots, in terms of its eponymous software development environments: The book covers servlets 2.4 and JSP 2.0. The examples are more refined, too, and more attention is paid to supporting technologies like Web and database servers.The didactic approach of authors Marty Hall and Larry Brown is recipe-like. They typically begin with a statement of a problem to be solved, then discuss relevant aspects of the servlet or JSP API. A series of code listings follows, and screen shots showing results bring up the rear. The net effect is that it's easy to spot relevant sections in the table of contents, it's clear how implementation works (thanks to the extensive listings) and there's no doubt about what the results are supposed to be. More elaborate examples show how servlets and JSP work in shopping cart, auction, and other applications. This is a significant and worthwhile update to an important Java book.