February 2014
Beginner
1248 pages
62h 25m
English
Content preview from Java™ How To Program (Early Objects), Tenth Edition
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DeckOfCards Method dealCard
Method dealCard (lines 49–56) deals one Card in the array. Recall that currentCard indicates the index of the next Card to be dealt (i.e., the Card at the top of the deck). Thus, line 52 compares currentCard to the length of the deck array. If the deck is not empty (i.e., currentCard is less than 52), line 53 returns the “top” Card and postincrements currentCard to prepare for the next call to dealCard—otherwise, null is returned. Recall from Chapter 3 that null represents a “reference to nothing.”
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