Conventions Used in This Book

Italic is used for:

• Pathnames, filenames, program names, compilers, options, and commands

• New terms where they are defined

• Internet addresses, such as domain names and URLs

Boldface is used for:

• Particular keys on a computer keyboard

• Names of user interface buttons and menus

Constant width is used for:

• Anything that appears literally in a JSP page or a Java program, including keywords, data types, constants, method names, variables, class names, and interface names

• Command lines and options that should be typed verbatim on the screen

• All JSP and Java code listings

• HTML documents, tags, and attributes

Constant width italic is used for:

• General placeholders that indicate that an item is replaced by some actual value in your own program

Constant width bold is used for:

• Text that is typed in code examples by the user

This icon designates a note, which is an important aside to the nearby text.

This icon designates a warning relating to the nearby text.