Re: JAVA coding environment

I have several "Java for RPG Programmer" books. They are good but I
couldn't learn Java from them. Once I had grasped Java and OO they were
a great help in learning to use it with i5.

I learned Java using "Teach Yourself Java" by Joseph O'Neil and Herb
Schildt. It is dated but still can be found.

This book was good because it started teaching about Java and objects
with examples that used stdout. As a 15 year RPG/COBOL programmer I was
comfortable with that approach.

As for the IDE, if you are going to be working with Java on the i5 then
stick with WDSCi. I can't disagree with the problems sited in this
thread about WDSCi. But you can work in one environment with Java and
other i5 languages, objects, utilities, etc. I think that outweighs
WDSCi negatives.

If I am not working with Java on the i5 then I use Eclipse Ganymede.
But then I am a bit of a bigot, I have been using Eclipse since 2.0.

Regards
Bill B

-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx]
On Behalf Of John W. Ebrecht
Sent: Friday, October 03, 2008 9:54 AM
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] JAVA coding environment

If you are an RPG IV ILE person then this may be worth considering: to
learn
java I bought Java for RPG Programmers and the associated workbook. It
teaches java comparing the similiarlies to RPGIV. It uses Eclipse IDE
which
I like a lot and is similiar to wdsc. It's a bit out of date (written
before
free form RPG IV which is even closer to java in syntax). But I've found
it
most helpful to understand java. But, it's not a quick read: 700 plus
pages.. But, as it points out: your RPG IV ILE references manuals aren't
skinny either.. And now "learning java objects" is on my list of where
to go
next.

On Fri, Oct 3, 2008 at 10:18 AM, Haas, Matt (CL Tech Sv) <
matt.haas@xxxxxxxxxxx> wrote:

Rick,

You'll do better learning about OO concepts before learning Java.

There is

a book that I think is called "Learning Java Objects" that helped me
considerably. They way the book is structured, it presents an OO

concept and

then has examples of how to do it in Java. It also uses the same

example

through out the entire book which I like a lot.

Applets are not used very often. Unless you have something specific

coming

up that requires them, I would not bother with them.

Java and JavaScript are two very different things. Other than sharing

the

word "Java" and some syntax similarities, they don't really have

anything in

common.

Matt

-----Original Message-----
From: web400-bounces@xxxxxxxxxxxx [mailto:web400-bounces@xxxxxxxxxxxx]

On

Behalf Of Rick.Chevalier@xxxxxxxxxxxxxxx
Sent: Friday, October 03, 2008 9:56 AM
To: web400@xxxxxxxxxxxx
Subject: [WEB400] JAVA coding environment


I hope this is the best place for this post. I debated between here

and

PC-Tech.

My frustration level has been reached trying to use WDSC as a JAVA
development environment. Yesterday I spent many hours trying to test

a

simple 'hello world' applet that took two minutes to code. I need

something

simpler.

For those of you doing JAVA development, what development environments

do

you use?

Here are my needs as I think I understand them today:
1) Learn the JAVA language
2) Gain an understanding of OO concepts
3) Understand applets and the use of java script in web pages
4) Ultimately understand the role of JAVA in web services so when WDSC
builds a service I know what all the JAVA pieces are doing.
5) Possible write the web service pieces from scratch.

Rick Chevalier




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