[Progress Communities] [Progress OpenEdge ABL] Forum Post: RE: Class / subClass- howTo

  • Thread starter Thread starter Rutger Olthuis
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Rutger Olthuis

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One of the main challenges in OO is the is-a vs has-a relationship. In many situations the has-a solution is the better. next to is-a vs has-a you can google for inheritance vs composition. There's to much to be found about that to put in here since it's a very important part of understanding OO.

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