Java Persistence is a mechanism that helps ensure the safety of data after program completion, which is the main feature of modern applications. Hibernate is the most popular Java database tool that provides automatic transparent object-relational mapping, which greatly simplifies the work with SQL databases in Java applications. This book describes the development of an application using Hibernate, linking together hundreds of individual examples. You will also find a well-illustrated discussion of the best database design techniques and optimization methods. The publication is intended for developers familiar with the Java language.