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Volume 4, Number 24 -- July 21, 2004


 
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Encapsulating File Access in a Service Program
by Joel Cochran

Encapsulation is a familiar concept to object-oriented programmers but has yet to be seriously embraced by RPG programmers. The idea is to place all access for a particular set of data, in this case from a physical file, to one object. Then only one object can directly access and manipulate a database file. While this is standard fare for OO languages, it is hardly the norm for RPG. In this article I demonstrate a method that simulates encapsulation by using our trusty friend the service program. READ MORE >

 

Adding New Parameters to RPG Programs
Hey, Ted:

We have an RPG IV program that accepts one parameter. We need to add two more parameters. Our problem is that this program is called from several menus and many programs. Unless you have some trick up your sleeve, adding the new parameters will involve a lot of work outside of regular hours. Can you help? READ MORE >

 

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  Admin Alert: Four Cool Things You Can Do with PC5250
  by Joe Hertvik

As I have mentioned before, the PC5250 program that comes with iSeries Access for Windows is a mature product that IBM has packed a ton of features into over the years. This week's "Admin Alert" takes a look at four under-used PC5250 features in iSeries Access for Windows V5R2M0 to see how they can help OS/400 users. READ MORE >




Reader Feedback and Insights

We value your feedback and insights. Feel free to send a letter to the editor. Letters may be printed, unless otherwise specified, and edited for clarity or length. READ MORE >


Editors: Howard Arner, Joe Hertvik, Ted Holt,
Shannon O'Donnell, Kevin Vandever
Managing Editor: Shannon Pastore
Contributing Editors: Joel Cochran, Wayne O. Evans, Raymond Everhart,
Bruce Guetzkow, Marc Logemann, David Morris
Publisher and Advertising Director: Jenny Thomas
Advertising Sales Representative: Kim Reed
Contact the Editors: To contact anyone on the IT Jungle Team
Go to our contacts page and send us a message.



THIS ISSUE
SPONSORED BY:

Advanced Systems Concepts
T.L. Ashford
Guild Companies


BACK ISSUES

TABLE OF
CONTENTS
Encapsulating File Access in a Service Program

Adding New Parameters to RPG Programs

Admin Alert: Four Cool Things You Can Do with PC5250


OS/400 PTF Guide
June 26

July 3

July 10

July 17

The Four Hundred
More on the July 13 i5 Announcements

IBM Boosts Earnings As Sales Come In a Bit Shy

Dubious Achievement: iSeries Gets Some Attention From Hackers

Four Hundred Stuff
Tracking SQL: Tango/04 Keeps Watch for Malicious Queries

App Development Gains Speed, Visual Characteristics with WebSphere Tools

IBM Targets Exchange Again with New E-Mail Software

Four Hundred Monitor




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