Chapter 1, Introducing Java EE and Configuring the Development Environment, gives an introduction to Java EE, focusing on the novelties introduced in version 7. The book provides several examples, and this chapter will explain how to install and use them when reading the various chapters.
Chapter 2, Working with Dependency Injection, states that dependency injection has brought innovation to the way of programming. The instantiation of automatically rendered objects at the configuration level has made it simpler and more performative in the development of applications, avoiding the problems of lack of memory and memory leaks. Thanks to annotations almost completely replacing XML configurations, development has become ...