I had the pleasure of reading Head First Java as Kathy & Bert turned out the chapters. Though the book has not hit the stores yet, I'd like to share my experience reading the work copy of the book.
I'm a 47 year old programmer that has basically seen it all in my 25+ years in IT. Though I've been busy with Java for more than 2 years, I until recently still saw myself as an absolute beginner. Why you might ask? Well for starters all my Java was simply "hobby" work, I did not use it at work. Secondly, and the most important reason, is that I simply did not understand and grasp some of the key concepts of OO that one needs to know to be able to fully use the capabilities Java has to offer.
As fate would have it, the work copy Kathy & Bert's book became available to me as I started to work in a new department where I have to program in Java. I was drowning. I had to keep on asking the youngsters on the team for assistance. You can’t believe what that does for your self-confidence. But as I read more and more of Head First Java I found myself sitting in tech meetings not only understanding what was being said but I was actually coming up with some fresh ideas that helped us re-design our systems to become fully OO.
Why is that so. Simply because of the unique way Kathy and Bert teach and share their knowledge. The best way for me to describe this book is by using the teacher at school that we all have encountered in our school careers. You know the one that enthusiastically drew the most elaborate drawing on the black board to explain his point, the one that simply generates interest in his subject purely because of his sheer love of the subject he teaches. Now imagine that teacher in book form. The Head First way, your favourite teacher in a book.
I can carry on for quite awhile about the unique style of the Head First way but I suggest you download the sample chapters at O’Reilly or go download the "demo" at Kathy & Bert's own site Wickedly Smart.
What has this book done for me. For one it finally made me grasp Polymorphism, and the use of interfaces. Though I've used it before, like a parrot without understanding, I never saw it's real strength. Now I use it all the time. I can't believe I programmed Java without them. Head First Java turned me into a Java OO programmer instead of a Java procedural programmer. Yep one can write pretty neat procedural programs in Java.
If you are a Java programmer that has problems understanding the finer points of the language and OO in general I suggest you go out and buy the book.
I want to end with a word of caution. This book, because of it’s uniqueness, might not appeal to everybody. I suggest you browse (or download the demo) the book before buying. You will know immediately know if the book is for you.
If you want learning to be fun buy this book.
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