Conventions Used in This Book

We use the following font conventions in this book.

Italic is used for:

• Pathnames, filenames, and program names

• Internet addresses, such as domain names and URLs

• New terms where they are defined

Constant width is used for:

• Command lines and options that should be typed verbatim

• Direct quotes and specific method names from code examples, as well as specific values for attributes and settings within code

• XML element tags

Constant width bold is used for:

• User input in code that should be typed verbatim

• Items in code to which we'd like to draw the reader's attention

Constant width italic is used for:

• Replaceable items in code, which should be replaced with the appropriate terms

In code syntax examples, we sometimes use [value]+ to represent one or more instances of a value and [value]* to mean zero or more instances of a value.

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