A collection (sometimes called a container) is simply an object that groups
multiple elements into a single unit. Collections are used to store, retrieve
and manipulate data, and to transmit data from one method to another.
Collections typically represent data items that form a natural group, like a
poker hand (a collection of cards), a mail folder (a collection of letters),
or a telephone directory (a collection of name-to-phone-number mappings).
Using Collections with
JDKTM 1.2. by
Glen McCluskey Release JDK 1.2
Presents key features of the Collections framework including algorithms,
iterators, and legacy code with many useful code samples. (December 1998)
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