Re: framework question -- JAVA400-L

Joe,

I have more than 30 year experience on midrange programming (RPG),
and more than 10 years in OOP.

do not forget that RPG is a REPORT GENERATOR PROGRAM, not a language.
OO is another world that cannot be compared...

Simply OO programming thake 10% of the time compared to RPG, very easy on maintenance etc.

Sorry for my bad english.

Joe Pluta wrote:

this is a quite questionable statement. I dont want to miss specialisation of real world objects by the use of inheritance. I can easily demonstrate 100 places where this makes sense, its starts in the range of persistence...


Please demonstrate a few.  And persistence is not an application
requirement, it's an architectural issue.  Name places in business
applications where inheritance works better than composition.

But there are many oppinions about that. Think of one fact, no modern language comes without inheritance. The last 5-6 languages created the last years in fact are all

completely

OO based. (Python, C#, Ruby, Java,...)


None of those languages is any good for business logic, though.

Also, your statement depends on what you consider a language.  ILE RPG
is all but a completely new language, and it does not have inheritance.

And in any case, the point is not whether inheritance is good or bad,
but whether it is appropriate for business programming.  My position is
that it is not, and that except for the most trivial applications I can
write business logic much more quickly and flexibly in RPG than any
other language.

Joe

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Franco Biaggi
CH-6807 Taverne