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Learning Wireless Java: Help for New J2ME Developers [Paperback]

Qusay H. Mahmoud
4.1 out of 5 stars  See all reviews (8 customer reviews)
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Book Description

Jan. 11 2002 0596002432 978-0596002435 1

Learning Wireless Java is for Java developers who want to quickly come up to speed and create applications for the Micro Edition audience. This book covers the Connected, Limited Device Configuration and the Mobile Information Device Profile (MIDP), both currently available from Javasoft. The CLDC contains APIs for small devices that are constrained by both memory and processing power. MIDP builds on top of the CLDC and adds APIs specifically for devices such as mobile phones and pagers, allowing programmers to create MIDlet applications.

This book offers a solid introduction to J2ME and MIDP, including an explanation of the J2ME Wireless Toolkit, the MIDlet lifecycle methods, the Java application manager, and the CLDC and MIDP constraints. In addition, we cover the javax.microedition.io, javax.microedition.rms, javax.microedition.lcdui, and javax.microedition.midlet classes, as well as the modified java.lang, java.io, and java.util classes. Discussion centers around building safe, compact applications with the sophisticated graphical interface, database, and networking capabilities that the J2ME supports. In addition, this book also shows you how to download your applications to the latest J2ME-enabled devices, including the Motorola i50x and i85s phones and upgraded Palm handhelds.


Product Details


Product Description

From the Publisher

Learning Wireless Java is for Java developers who want to create applications for the Micro Edition audience using the Connected, Limited Device Configuration and the Mobile Information Device Profile (MIDP). These APIs specifically for devices such as mobile phones and pagers, allowing programmers to create MIDlet applications. This book offers a solid introduction to J2ME and MIDP, including the javax.microedition classes, as well as classes surrounding the features of the various platforms that the J2ME supports.

About the Author

Qusay H. Mahmoud is an independent contractor for Sun Microsystems. He has written several articles for the Java Developer Connection that cover J2ME, including the MIDP and the CLDC APIs. He has also presented tutorials on developing wireless applications at a number of international conferences worldwide. He is the author of Learning Wireless Java (O'Reilly), and Distributed Programming with Java (Manning Publications).


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Front Cover | Copyright | Table of Contents | Excerpt | Index | Back Cover
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Customer Reviews

Most helpful customer reviews
4.0 out of 5 stars Good for a beginner.... Jan. 23 2003
By akempo
Format:Paperback
This book is an excellent introduction to J2ME for experienced Java developers. The book does what it intends to do very well, but the topic coverage is less than complete because it limits itself to the CLDC configuration and the MIDP profile. Granted, this is the most popular branch of development for J2ME, but there is more to J2ME than the MIDP profile. Within this limitation, it does a good job of providing a basic, clear, and working understanding of the Java classes involved with MIDP programming. Intermediate and advanced J2ME programmers should look elsewhere for help as this book is aimed squarely at J2ME beginners.
The organization of the book follows standard conventions for Java books, starting with basic functionality, then GUI classes, then event handling. There is an API reference at the end of the book, which usually indicates the author is trying to pad the book, but I think it is appropriate here. It only adds 60 pages to the book, and it made it easier to read the material when I was away from a computer. Unfortunately, the book was only 169 pages without it, and I felt that it should have addressed some areas more in depth.
A good book for someone looking to learn J2ME and a handy quick reference, but as you advance, you'll outgrow this one.
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5.0 out of 5 stars An excellent book April 26 2002
Format:Paperback
This book is excellent. Great for a beginner. All the code makes sense. Easy to read. Very good appendix. Also, good for the experienced developer. Before buying this book, make sure you know JAVA 2 very well. I would recommend this book to anyone who wants to learn wireless JAVA.
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3.0 out of 5 stars Good for beginning to learn J2ME April 17 2002
Format:Paperback
This book may be taken as the introduction to start learning J2ME MIDlet programming. There are step-by-step instructions to download and install J2ME to the PC, and code, compile and run your first MIDlets. These are helpful for the beginner. On the other hand, make sure that you already know Java2. This is not a book for ground-up learning J2ME. The book is MIDP oriented, therefore do not expect much for CLDC coverage except a brief introduction. I have not managed to run all of the examples, even the 'originals' downloaded from the publisher's site. It was frustrating. You need to have a Palm device to test your MIDlets for Palm OS, because only 12 pages are spared for MIDP for Palm OS with no mention about the desktop PC emulator, but there are about 50 odd pages for J2ME APIs. You may take this book as the first step for J2ME without too much expectations, and be prepared to buy more books in order to master on the subject.
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5.0 out of 5 stars Excellent Focus on Distillation and Core Workflows April 14 2002
Format:Paperback
Mohmoud does an excellent job of distilling what is sine qua non to creating working midlets for various platforms. After explaining how to create J2ME programs using the command line he goes own to show how it can be done using contemporary graphical tools from Sun. You quickly reach the critical mass of being competent due to the author's good habit of presenting short lists of steps that lead toward program production.
One could wish that he spent more time discussing development for the Palm OS, JMS, RMI and XML. However, if the book continues to mature the way Oreilly books due, we can expect to see this and more in the next edition.
If you are looking to understand J2ME development and have on-hand quick-start help this book is for you. Chapters 3,7, and 8 quickly relate the important points and provide a helpful teaching context. It may not be enough for someone who has already begun the work of creating J2ME applications.
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