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Sams Teach Yourself Wireless Java with J2ME in 21 Days Paperback – 27 Jun 2001

2.0 out of 5 stars 2 customer reviews

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Product details

  • Paperback: 576 pages
  • Publisher: Sams; Pap/Cdr edition (27 Jun. 2001)
  • Language: English
  • ISBN-10: 0672321424
  • ISBN-13: 978-0672321429
  • Product Dimensions: 18.5 x 3.6 x 22.9 cm
  • Average Customer Review: 2.0 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Bestsellers Rank: 4,291,007 in Books (See Top 100 in Books)

Product Description

From the Back Cover

Sams Teach Yourself Wireless Java with J2ME in 21 Days begins by establishing the basic parameters of J2ME development and its uses in building wireless applications. The tutorial chapters introduce both text and graphical application development for typical wireless devices. Finally, the book presents the major types of applications that the wireless developer will build-information management, communications, games, etc. The book also introduces the basic concepts of networking wireless devices through Java.

About the Author

Michael Morrison is a writer, developer, toy inventor, and author of a variety of books including The Unauthorized Guide to Pocket PCs (Que Publishing, 2000), Java In Plain English 3rd Edition (IDG Books, 2000), XML Unleashed (Sams Publishing, 1999), and Complete Idiot's Guide to Java 2 (Que Publishing, 1999). Michael is the instructor of several Web-based courses including DigitalThink's Introduction to Java 2 series, JavaBeans for Programmers series, and Win32 Fundamentals series. Michael also serves as a technical director for ReviewNet, a company that provides Web-based staffing tools for information technology personnel. Finally, Michael is the creative lead at Gas Hound Games, a toy company he co-founded that is located on the Web at When not risking life and limb on his skateboard or mountain bike, trying to avoid the penalty box in hockey, or watching movies with his wife, Masheed, Michael enjoys daydreaming next to his koi pond. You can visit Michael on the Web at He also encourages you to check out his board game, Inc. The Game of Business, at

Customer Reviews

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Top Customer Reviews

Format: Paperback
This is a good touchy-feely introduction to the subject. Its focus is slightly narrow and and naturally its slightly dated by now and (possibly endemic in the series) it does suffer from excessive padding.
It will however get you started writing MIDlets very quickly indeed, which is what you want it for. Don't expect to have to set aside an entire month to cover the subject matter though...
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Format: Paperback
To old to be of any good. Get another book! I found the example dont really work and that's annoying.
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Most Helpful Customer Reviews on (beta) HASH(0xa3247888) out of 5 stars 4 reviews
17 of 17 people found the following review helpful
HASH(0xa322be10) out of 5 stars Early to market but a great practical tutorial 20 Aug. 2001
By Andy Grace - Published on
Format: Paperback
As one of many people now moving their programming to the wireless world of Java 2 Micro Edition, I found this book to be excellent.
It contains numerous, real world examples - from getting simple text off a server, right through to reasonably complex game design and even sprite manipulation.
In fact I'm sure many of the applications in this book will be converted into real world code by cut and paste coders!
The book does require some limited knowledge of Java2 but I was at home very quickly.
With plenty of exercises, and a CD of all the source and latest Sun Forte/SDK I was delighted with my purchase.
Perfect if you're targeting Motorola cellphones or Palm development (note though doesn't cover the new Nokia J2ME SDK)
4 of 4 people found the following review helpful
HASH(0xa334ff84) out of 5 stars Very good book! 21 Sept. 2004
By David Eikeland - Published on
Format: Paperback Verified Purchase
I knew a little bit of Java, and I found this book very good. J2ME is explained pretty good, and the examples are easy to follow. I have developed several applications that I use after reading this book.

If there is anything that is missing in this book, it would probably be an Appendix with a better description of the different APIs.

It is a very good book for anyone that wants to learn J2ME, but might be a little boring if you already have J2ME experience. However, if you buy a "Teach Yourself .... in 21 days" book, you are probably not an experienced programmer in the language anyway.
4 of 4 people found the following review helpful
HASH(0xa30f8e64) out of 5 stars Sweet little intro 8 Jun. 2003
By Riccardo Audano - Published on
Format: Paperback
Very good tutorial text ... with a nice hands-on approach
and a working example on every chapter. Strongly recommended as your first book on J2ME. Simple graphical interfaces, persistent storage, connecting to the internet, personal information management..and even a few chapters on game development, which is great since , honestly speaking, is there any of us who wants to use Java on cell phones to make boring contact managment programs?
8 of 11 people found the following review helpful
HASH(0xa2bd98e8) out of 5 stars Expect a well written J2ME tutorial! 31 Mar. 2002
By Carlo R. Montoya - Published on
Format: Paperback
Bad news first: This book has a few typographical errors in the
explanatory texts but none in the source code listings. It also
has a few misplaced words reversing the meaning of what the
author intended to say. But if you're a beginning Java
programmer and understands basic code optimization, you'll find
yourself correcting the texts with a note on the margins.
Example: on page 273, "... it takes longer for MIDlet code to
access local variables than ... member variables..." The "local"
and "member" words should be interchanged.

I had to re-read Chapter 17 "Creating Animated MIDlets" because
the author uses a different Sprite / Sprite Management classes
that I'm used to (I write my own). Chapter 19 is probably the
most difficult chapter to read because it uses artificial
algorithms without fully explaining them (in fairness to the
author, he did mention the names of the original algorithm
developers, the general term of the algorithm and one possible
source for AI research).

The author could have used this chapter to create a multiplayer
game (as a perfect combination of his prevous game programming
chapters and networking-I/O chapters). Example: A two-player
first person turn-based boxing game could have been a good

Also, the last two chapters were not necessary. He could have
put them in appendices. The space could have been used too for
more complicated examples.

Good news: Nevertheless, Chapters 1 to 16 were an excellent
J2ME tutorial altogeter. The author wrote very clearly and he
reinforces previous lessons implicitly. As this is not a game
programming book and despite the minor issues above, this books
served its purpose of teaching me J2ME in 5 days (not 21 sorry).
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