D2: deck of cards
邢良才
imagine we’re designing the objects for a deck of cards. Consider the following approach:
1. What are you trying to do with the deck of cards? Ask your interviewer. Let’s assume
we want a general purpose deck of cards to implement many di#erent types of card
games.
2. What are the core objects—and what “sub types” are there? For example, the core
items might be: Card, Deck, Number, Suit, PointValue
3. Have you missed anything? Think about how you’ll use that deck of cards to imple-
ment di#erent types of games, changing the class design as necessary.
4. Now, get a little deeper: how will the methods work? If you have a method like Card
Deck:.getCard(Suit s, Number n), think about how it will retrieve the card.
1. What are you trying to do with the deck of cards? Ask your interviewer. Let’s assume
we want a general purpose deck of cards to implement many di#erent types of card
games.
2. What are the core objects—and what “sub types” are there? For example, the core
items might be: Card, Deck, Number, Suit, PointValue
3. Have you missed anything? Think about how you’ll use that deck of cards to imple-
ment di#erent types of games, changing the class design as necessary.
4. Now, get a little deeper: how will the methods work? If you have a method like Card
Deck:.getCard(Suit s, Number n), think about how it will retrieve the card.
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