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Review title: Excelent book. Be patient.
Product review: This is a really good book. I'm warning you that sometimes you are going to feel like you don't get it, that this book is not doing the work, but believe me, everything is going to fall in place if you move forward. For example, for me the chapter about inner classes was the most confusing thing that I have ever read. Closures? callbacks?, nothing seemed to be explained enough. I decided to keep reading and in the next chapter, when Mr. Eckel explains how to compare Array elements, he shows how to implement the interface Comparable and its method compareTo(). His example showed clearly how the java standard library method Arrays.sort() was using the technique of the callback. Only then I fully understood!This is a wonderful book. Thanks Mr Eckel!
