I've decided to go over some old code I wrote to make it a lot more OO friendly but am having trouble with two classes in particular which are extremely similar but also quite different:
The problem I have is that PlayingDeck is the standard deck we all know and love when playing card games such as Poker etc. ShreddedDeck is a deck which will be populated with cards which have been discarded from the PlayingDeck. That is why the implementation of the addCard() and removeCard() is different, the constructor is also different between these classes. Nevertheless, these classes are quite similar so should I add/is there scope for say an interface or an abstract class somewhere?
I was thinking about a Deck Interface with the methods add(), remove(), size() but decks are also shuffled but the shreddedDeck() should never be shuffled.
Any advice/input would be welcome.
This is a similar design I came up with but the problem is the shuffle() method which is not something that a ShreddedPlayingCardDeck should have therefore should not be a part of its API which it will be when implementing that interface.
Joined: Apr 16, 2008
The ShreddedPlayingCardDeckImpl would not have an implementation for a shuffle() method. There are numerous ways to code shuffle() to prevent it from operating in specific conditions. There are many factors to take into consideration when designing an OO application and many decisions have to be made, big ones and trivial ones.
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