What Java book can you recommend for an RPG programmer who wants to learn Java?
Unless you are already familiar with object oriented programming, the first book that I would recommend that you read is "Object Oriented Technology: A managers guide" written by David A. Taylor published by Addison Wesley ISBN 0-201-56358-4. This is a good high-level look at object oriented programming, terms and concepts. It's also pretty short, about 140 pages.
Once you have a basic familiarity with Java, you will want to purchase "Java In a Nutshell". This is a great reference book.
Back to your original question, I haven't come across any great books to learn Java programming.
There is a book called "Java for RPG programmers" by Phil Coulthard and George Farr ISBN 1-889671-23-1 that looks to be fairly straight forward and geared towards the AS/400. I have not read this book, but I've heard great reviews from people who have.
One that I've personally used is called "Java Programming: Comprehensive" by Joyce Farrell ISBN 0-7600-1070-6. It's good at illustrating and helping you understand the basics of Java, although the "Comprehensive" in the title is somewhat of a misnomer.
If you are into learning from the Web, IBM and SUN both offer free courses to help you learn Java.
If you really want to learn Java programming, I would suggest that you take a Java course at your local college so that you get a thorough understanding of the basics of Java. By only reading books, it's easy to miss some key concepts which will make Java seem a lot harder than it really is. A college course is structured and relatively inexpensive. It also gives you someone to ask if you really get stuck or don't understand something.
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