Java Platform, Enterprise Edition (Java EE) 8 The Java EE Tutorial

## Overview of the Persistence Examples

The first example, `order`, is an application that uses a stateful session bean to manage entities related to an ordering system. The second example, `roster`, is an application that manages a community sports system. The third example, `address-book`, is a web application that stores contact data. This chapter assumes that you are familiar with the concepts detailed in Chapter 40, "Introduction to the Java Persistence API."

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