16.1 Introduction
In Section 7.16, we introduced the generic ArrayList collection—a dynamically resizable array-like data structure that stores references to objects of a type that you specify when you create the ArrayList. In this chapter, we continue our discussion of the Java collections framework, which contains many other prebuilt generic data-structures.
Some examples of collections are your favorite songs stored on your smartphone or media player, your contacts list, the cards you hold in a card game, the members of your favorite sports team and the courses you take at school.
We discuss the collections-framework interfaces that declare the capabilities of each collection type, various classes that implement these interfaces, methods ...
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