19. Collections

I think this is the most extraordinary collection of talent, of human knowledge, that has ever been gathered together at the White House—with the possible exception of when Thomas Jefferson dined alone.

—John F. Kennedy

The shapes a bright container can contain!

—Theodore Roethke

Journey over all the universe in a map.

—Miguel de Cervantes

Not by age but by capacity is wisdom acquired.

—Titus Maccius Plautus

It is a riddle wrapped in a mystery inside an enigma.

—Winston Churchill

Objectives

In this chapter you will learn:

  • What collections are.

  • To use class Arrays for array manipulations.

  • To use the collections framework ...

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