Conventions Used in This Book

The following font conventions are used in this book:

Italic is used for:

• Unix 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

• Names and keywords in programs, including method names, variable names, and class names

• XML element tags and URIs

Constant width italic is used for:

• Replaceable items, such as variables or optional elements, within syntax lines or code

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