Objectives

In this appendix you’ll:

Learn what collections are.

Use class Arrays for array manipulations.

Understand how typewrapper classes 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.

Learn fundamental file- and stream-processing concepts.

What threads are and why they’re useful.

How threads enable you to manage concurrent activities.

To create and execute Runnables.

Fundamentals of thread synchronization.

How multiple threads can update Swing GUI components in a thread-safe manner.