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> ## Duke's Bookstore Examples

> In Chapters 3 through 14 a common example--Duke's Bookstore--is used to illustrate the elements of Java Servlet technology, JavaServer Pages technology, the JSP Standard Tag Library, and JavaServer Faces technology. The example emulates a simple online shopping application. It provides a book catalog from which users can select books and add them to a shopping cart. Users can view and modify the shopping cart. When users are finished shopping, they can purchase the books in the cart.

> The Duke's Bookstore examples share common classes and a database schema. These files are located in the directory `<``INSTALL``>/javaeetutorial5/examples/web/bookstore/`. The common classes are packaged into a JAR. Each of the Duke's Bookstore examples must include this JAR file in their WAR files. The process that builds and packages each application also builds and packages the common JAR file and includes it in the example WAR file.

> The next section describes how to create the bookstore database tables and resources required to run the examples.