To get the most out of this book

1. Before reading this book, readers need to know about the object-oriented concept, the Java language, and the basic concepts of Java EE. In this book, we assume that the reader already knows some specifications of the Java EE umbrella, such as EJB, JPA, and CDI, among others.
2. To test the code of this book, you need an application server that supports Java EE 8, such as GlassFish 5.0. Furthermore, you need to use an IDE such as IntelliJ, Eclipse, NetBeans, or any other that supports the Java language.