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Last 10 numbers dialed on my cell phone

leo donahue
Ranch Hand

Joined: Apr 17, 2003
Posts: 327
Is this an example of an ArrayList Collection?

Thanks, leo
Joel McNary

Joined: Aug 20, 2001
Posts: 1824

Could be...of course, it could be a LinkedList or some other implementation of List (a Queue implementation with a length limit of ten seems probable to me). Suffice to say, it would be an implementation of java.util.List -- unless, of course, your phone only stores the last ten unique numbers, in which case a java.util.Set might be more appropriate. (Of course, you would want a Set that also provides List-type capibilities).
Your phone book would be an implementation of a java.util.Map--probably a java.util.SortedMap, since it not only stores a Name:Number::Key:Value relationship, but it sorts on the Name for display.

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