Preface
I can't believe it has been three years since we published the first ever book on JPA 1.0, Pro EJB 3: Java Persistence API. We received so many great remarks and compliments that before saying anything else we would first like to thank all of you who communicated your comments to us. Your feedback on the book was overwhelming, and we have been truly humbled by the response. We created this second edition in the hopes that just as many will benefit from this one, too.
We have chosen to rename the book for the obvious reason that JPA is no longer a child of EJB, and because JPA is all grown up and deserves its own title. However, it was not without some hesitation that we did so. We didn't want people to think that this book was only about ...
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