So far, all the input in this book has been provided by the program and all the output has been sent in its simplest form to the screen. In this section, we'll expand on the various inputs and outputs, as well as more sophisticated formatting.

This section comprises the following chapters:

• Chapter 19, Exploring Formatted Output
• Chapter 20, Getting Input From the Command Line
• Chapter 21, Exploring Formatted Input
• Chapter 22, Working with Files
• Chapter 23, Using File Input and File Output