Java Reference
In-Depth Information
16
Generic 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
Objectives
In this chapter you'll:
Learn what collections are.
■
Use class
Arrays
for array
manipulations.
■
Learn the type-wrapper
classes that enable programs
to process primitive data
values as objects.
■
Use prebuilt generic data
structures from the
collections framework.
■
Use iterators to “walk
through” a collection.
■
Use persistent hash tables
manipulated with objects of
class
Properties
.
■
Learn about synchronization
and modifiability wrappers.
■
