Hi Dan,

Yep, way obsolete.

Java on the AS/400 comes with the OS. For Windows ( and most other ) development environments:

Download the JDK ( Java SE 8u31 is current ) and documentation from:


For IDE ( Interactive Developer Environment - way beyond editors ):




Some people also like IntelliJ IDEA, a for pay commercial IDE:


For learning Java:


It's free and pretty good, although typically 80% solutions, bur will get you started in many areas. There are large numbers of Java books in print and online, many free online and forums. What's best for you depends to a large extent on your background.

All of the above ( other than installing on Windows ) is mostly platform generic. I say mostly because for systems like the AS/400 ( er, i, er name du jour ) there is no graphics capability.

The Toolbox for Java ( JTOpen ) is probably your best friend for the AS/400:


IMO, you should also strongly consider what applications you should actually run on the AS/400. While it initially seems appealing to call it from RPG, go native, etc. you gain a lot and avoid much hassle running Java on a Windows/Linux server and using JTOpen to access and communicate with the AS,400 and programs running on it.


Joe Sam

Joe Sam Shirah - www.conceptgo.com (904) 302-6870
conceptGO - Consulting/Development/Outsourcing
Java Filter Forum: www.ibm.com/developerworks/java
Just the JDBC FAQs: www.jguru.com/faq/JDBC
Going International? www.jguru.com/faq/I18N
Que Java400? www.jguru.com/faq/Java400

-----Original Message----- From: Dan
Sent: Tuesday, February 03, 2015 4:50 PM
To: Java Programming on and around the iSeries / AS400
Subject: Java for RPG Programmers, 2nd edition still useful?

My new workplace has the 2nd edition (published in 2002), complete with

From the book: "...you should get the JDK for Windows from
www.java.sun.com/products (follow the link for Java 2 SDK)." Obviously,
this is obsolete. The link took me to Oracle's website, and I'm not really
sure where to go from here. I'm guessing all of the software on the CD-ROM
is obsolete; it includes:
* Eclipse SDK Release 1.0 for Windows
* IBM Toolbox for Java
* IBM Java Runtime Environment
It looks like the Toolbox is available for download from IBM.
Also, http://www.ibm.com/developerworks/java/jdk/ appears to have the
complete package.

As you can tell, I'm a bit confused as to what I should download and
install. Any advice for a Java noob?

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