Welcome to Advanced Integrated RPG (AIR), where RPG and Java work together to provide RPG with all of the capabilities that Java has to offer. This article contains excerpts from my new book that will show you how to start the Java Virtual Machine (JVM) and display "Hello World" in RPG. This is a prerequisite to the upcoming article that will show you how to create PDFs from RPG!
As a review, back in "What to Do with Messages in the Application Program," we saw how to call a system API with the sending of error messages disabled. The scenario used was determining if an object existed by calling the Retrieve Object Description (QUSROBJD) API and, if an error was returned in the API error code data structure, handling the error in an appropriate way. The code shown at that time was this:
In the current recession, education is often the first thing cut from the budget. We find this reaction not only shortsighted but completely insane.
Written by Jon Paris and Susan Gantner
We at System i Developer are professional educators in the business of training IBM i developers via both onsite classes and conferences such as the upcoming RPG & DB2 Summit. We also have years of experience working with companies that have excellent ongoing training programs and companies that don't, and we've seen the differing degrees of success of those companies.
So how can you get training for yourself or your staff when the times are against you? The first step is to be able to articulate the payback.