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| Preface |

## Conventions Used in This Book

Italic is used for:

- New terms where they are defined.

- Pathnames, filenames, and program names.

- Internet addresses, such as domain names and URLs.

`Typewriter` `Font` is used for:

- Anything that might appear in a Java program, including keywords, operators, data types, constants, method names, variable names, class names, and interface names.

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

- Tags that might appear in an HTML document.

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