Java is currently a "must-have" skill but its object-oriented concepts may be unfamiliar to COBOL programmers. COBOL examples are used throughout this book to explain Java's object-oriented principles and syntax. Step-by-step procedures are used to walk the user through the process of converting COBOL's structured programming oncepts into object-oriented ones. This book does not assume knowledge of C or C++ programming techniques. The text uses coding techniques familiar to COBOL programmers when presenting Java concepts and takes the COBOL viewpoint throughout (for example, it defines a Class and how it is similar to a COBOL subroutine, and so on). Step-by-step examples using Sun's Java2 DK and Microsoft J++ Development Environments are included and XML concepts are introduced from the COBOL Perspective. The companion CD-ROM include Sun's Java 2 SDK, and Microsoft Visual J++ Directories and Project Definition Files. It also contains various COBOL to Java conversion tool demonstration versions including: PERCOBOL from LegacyJ; RescueWare from Relativity Technologies; and CORECT from ACM, Ltd. Information and files from the IBM San Francisco Project, XML document definitions and samples, and all the code and exercises from the book can also be found on the accompanying CD.
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Book Description
Editorial Reviews
From the Publisher
KEY FEATURES:
* Uses coding techniques familiar to COBOL programmers when presenting Java concepts
* Takes the COBOL viewpoing throughout (e.g. defines a Class and how it is similar to a COBOL subroutine.)
* Shows step-by-step exammmples using Sun's Java2 SDK and Microsoft J++ Development Environments
* Introduces XML concepts from the COBOL Perspective
ON THE CD The companion CD includes Sun's Java2 SDK, and Microsoft Visual J++ Project Defintion Files. Aslo contains various COBOL to Java Conversion tool demonstration versions. Including: PERCOBOL from LegacyJ, RescueWare from Relativity Technologies, and CORECT from ACM, Ltd. Information and files from the IBM San Francisco Project, XML Document Definitions and Samples, and all the code and exercised from tthe book can also be found on the accompanying CD.
About the Author
John C Byrne is the V.P. of Technology and primary system architect for Computron Software Inc., a high-end enterprise software vendor in New Jersey. He has over 20 years experience in the software industry and his expertise embraces both legacy technology and client/server environments. He has published previously in Unix Review.
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Most Helpful Customer Reviews
58 of 64 people found the following review helpful:
2.0 out of 5 stars
Although somewhat helpful -- a great disappointm,
By A Customer
This review is from: Java for Cobol Programmers (Paperback)
Although somewhat helpful, this book was a great disappointment to me. It was helpful in that it presented "part" (a very minor part) of Java in small increments. This enabled me to understand aspects of the language that I had been unable to grasp before - even though I have read many books and followed their examples by entering them into the computer and trying to run them.Often the runs failed. But the disappointments dominated. First: One would expect a book touted as Java for COBOL Programmers would start with COBOL and then show how to do the same thing in Java. But no! This book presents straight old Java and then shows "parallel" COBOL. Sometimes the "parallel" COBOL is quite convoluted. Second: COBOL is a file processing language. Its primary purpose is to handle files and fields. But, alas there is no file IO of any type. I have been trying to find out how to develop an application generator/file manager in Java for some time. Like many other Java books -- this one too failed to help me to do so. In fact, in the application examples there is no input at all. I did not do the applet examples, as that is not my interest. Third: Problems with running the examples. In Chapter 9 my HelloWorld program could not find Class Set or Class HashSet. I found out after extensive time-consuming rummaging around in JDK on the included CD that these classes were in java.util, which the book mentions not at all. Now this may be due to my use of Visual Café as a development environment. But when I tried to run javac.exe from the DOS command line (like the book shows), both from a DOS window and from restarting to DOS, I was told that this program would not run in DOS mode. (I am in Windows 98.1.) When I click javac.exe in Windows mode it produced a blank DOS window which immediately shut down and was of no use to me. Fourth: This book was originally due out in July of 1999 and it just came out this February (2000). Waiting this long and not getting satisfaction adds to the disappointment. Fifth: A book of this type should include the author's e-mail address so that such issues as stated herein can be addressed directly. But I did not find one anywhere in the text or CD. After I finished the book, I still felt that there might be some hope yet. I had noticed snippets of COBOL programs that I thought included file IO when I first examined the CD. But alas, I could find no native mode file IO, only convoluted COBOL programs with embedded Java syntax and file examples using proprietary methods and SQL via Microsoft Access. MountainBruce@Worldnet.att.net
17 of 17 people found the following review helpful:
3.0 out of 5 stars
Not to bad - but could have been better.,
By A Customer
This review is from: Java for Cobol Programmers (Paperback)
I had heard that this was a really good book for COBOL programmers who were now learning Java. It didn't really tie the two together very well. The author obviously has not keep up with the innovation in COBOL over the last few years. COBOL for MVS has FUNCTIONs that would have made better examples in some places. After completing this book I felt that it didn't really tell may much more that the other intro to Java books I had read. And the last chapters really lost me. It jumped from entry level stuff to chapters that seemed to be taken from some technical presentation. To me the next step should have been how Java does external data I/O. After I completed this book, I found that the book that I really wanted was "Java for the COBOL Programmer (Advances in Object Technology".
12 of 14 people found the following review helpful:
5.0 out of 5 stars
Great Introduction for Cobol programmers,
By Bill Johnston (Maryland) - See all my reviews
This review is from: Java for Cobol Programmers (Paperback)
I found this book extremely useful. I have been a programmer for 20 years, and this is the first book I've found that explained Java in a way I could understand. I liked the way the author started with simple examples, and then kept building on them. Definitely a big help to me. The chapter on XML was interesting too.
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