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  1.  Home
  2. RPG400-L
  3. May 2003

Re: what is object oriented programming

Steve Richter wrote: 
Do you agree that an object is a "thing" that is accessed only thru exposed
interfaces? That no access to the internal components of the object, by
definition, is allowed?

Now if your programming manager tells you that a certain data struct can
only be accessed by using a published set of procedures, doesnt that then
make the data struct an object?

Fields in the struct can be removed, added, changed.  The struct, if you
work on a V5R2 system, can be added as a member of a larger data struct. All
these changes will not break any code that uses the struct thru the
published set of procs that you are told to use.

is such a data struct just a buffer definition?

To put it simply, yes, a data structure is just a buffer definition.

Cheers! Hans



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