In this chapter, we went through a critical part of enterprise systems: integration testing. Historically, one main downside of Java EE is its testability, but Arquillian has really solved this issue to a great extent.

Used as an extension to the JUnit framework, Arquillian excels in checking the integration layer that exposes the business logic in an enterprise Java application.

Arquillian hooks into your testing framework to manage the container's life cycle. It also bundles the test class into a deployable archive with dependent classes and resources.

This is the last chapter covering basic Java EE and WildFly features. We started with a few session beans, and ended up with web sockets, an asynchronous messaging system, RESTful API, and even a little bit of JavaScript. During the course of this book, we saw how the newest edition of Java EE provided us with tools to create modern and scalable applications. The platform's goal is to help the developer to focus on the business logic...