Conventions Used in This Book

The following font conventions are used in this book:

• Italic is used forUnix pathnames, filenames, and program names; for Internet addresses, such as domain names and URLs; and for new terms where they are defined.

• Constant Width is used for command lines and options that should be typed verbatim; and for names and keywords in Java programs, including method names, variable names, and class names.

• Constant Width Bold is used occasionally for emphasis in code.

Indicates a tip, suggestion, or general note.

Indicates a warning or caution.