1.4 Summary

In this book, I'm going to take my own medicine. I'll keep it simple and short. At this point, you're probably wondering how five simple principles can change anything at all. Please indulge me. In the pages to come, I'll lay out the five simple principles. I'll then show you the ideas in practice. You'll see how two successful and influential frameworks used these principles, and how to build applications with these frameworks. You'll see an example of a persistent domain model, an enterprise web application, a sophisticated service, and extension using these core concepts. My plan is simple. I'll show you a handful of basic principles. I'll show you how to succeed with the same ideas to build better, faster, lighter Java.

If you tend to value a book by the weight of its pages, go find another one. If you'd rather weigh the ideas, then welcome aboard. It all begins and ends with simplicity. And that's the subject of Chapter 2.