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Hi Dieter
this is not a forum I usually speak in :) but I was motivated to respond to
your comment regarding "thousands of subfile programs doing all the same
stuff".
I my view the subfile capability provided by the AS/400 could more fairly
be compared to a VB data grid or a higher level tool than a straight
language issue. There are thousands of subfile applications because there
are thousands of different business.
The real insight into what OS/400 buys you, and by extension in this
discussion what RPG buys you, is that those thousands of subfile programs
didn't also need to have all the supporting logic surrounding paging, item
positioning, item selection etc etc built in each of the applications, it
was provided by the OS.
There would be a ton of additional logic required to code this level of
presentation in any other language without the use of the components that
you claim provide Java's advantage so your comparison is somewhat unfair,
IMHO. :)
Regards
Evan Harris
One of the points for writing java applications is the existence of quite a
lot of opensource components making it easy and eficcient to write business
applications in java. If I have a look to rpg applications, the wheel is
reinvented over and over, thousends of subfile programms doing all the same
stuff. In a well designed Java app, you have STRUTS for example, and some
JSPs doing all this, you have a persistence layer done by OJB for instance,
with or without Entity Beans.
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