Conventions Used in This Book

This book is by two authors, but with one voice. The stories come from the real-life experiences of Bruce and Justin. In everywhere but this paragraph, we've combined our voices, so that we don't confuse you. Don't worry. We both agree about everything that you see here.

The following typographical conventions are used in this book:

Italic

Used for filenames, directories, emphasis, and first use of a technical term.

Constant width

Used in code examples and for class names, method names, and objects.

Constant width italic

Indicates an item that should be replaced with an actual value in your program.

Constant width bold

Used for user input in text and in examples showing both input and output. Also used for emphasis in code, and in order to indicate a block of text included in an annotated call-out.