Part I, “Introduction” Introduces JavaConfig, including a quick start tutorial. The impatient should start here!
Part II, “API Reference” Provides a feature-by feature walk through the JavaConfig API
Part III, “Appendices” Covers tooling and other practical considerations not well-suited for the core documentation
This document assumes at least a general familiarity with the Spring IoC container. If you are brand new to Spring (i.e.: have never used Spring's XML configuration language, it is suggested that you first read Chapter 3. IoC of the Core Spring reference manual documentation. You will also notice that this chapter is frequently referenced throughout this document.