Graeme Geldenhuys wrote:
Bad example! :-)
Quality of this example varies according to the initial POV you have.
I have the Nokia 5800XM. You get that "final model"
in two flavours. Red and Blue (phone color and software theme color).
Then you also get revisions of that phone. Revision 1 had problems
with the speaker. Revision 1.x (or 2.x - I don't know how they
numbered them) have those hardware problems fixed. So it's the same
model phone N5800XM, but it has various differences.
Very good. Try to include all that differenced into basic class.
Remember:
TAbstractPhone = class
public
property Color: TColor;
end;
TNokiaPhone = class(...)
public
property Revision: String;
end;
So you have a class of TNokiaN5800XM and you can get plenty of instances
with your different revisions, colors, etc. Don't mix classes and instances.
Best regards,
Paul Ishenin.
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