Chapter 2. Foundation

The Foundation framework provides support for a variety of basic functionalities and data types, including the following:

• Strings, numbers, and collections

• Dates and time

• Binary data

• Means of working with files, including accessing data and working with bundles

• Distributed event notification

• Operating system interaction

• Threading

This chapter discusses these subjects and provides several short examples that demonstrate of the most common methods of the key classes.