[V4RB] The correct OOP way?

[Ruslan Zasukhin]

on 12/5/03 12:02 AM, Carsten Friehe at rblists at carsten-friehe.de wrote:

Hi Carsten,

> I don't know where my answer from earlier today is.
> 
>> All depend on your task.
> 
> I have a few windows where I am opening the cursor (instantiatin the class)
> and then I select the records and get all the values to display them.
> That's all.
> 
>> BTW, do you ask about Super -- as pointer on top level object?
>>     or about Super as common parent class for your classes?
> 
> I meant the parent class of my class. If I make eg. VCursor the super of my
> class, will it have any advantages or not?

Well, 

OOP say: 
    you must do common parent class,
    if you can move there some common data members and methods.

Advantage is that:
 
1) you remove code duplication.

2) you get polymorphism, i.e. Objects of different child classes
    can be considered as set of parent instances.


-- 
Best regards,
Ruslan Zasukhin      [ I feel the need...the need for speed ]
-------------------------------------------------------------
e-mail: ruslan at paradigmasoft.com
web: http://www.paradigmasoft.com

To subscribe to the Valentina mail list go to:
http://lists.macserve.net/mailman/listinfo/valentina
-------------------------------------------------------------