The following typographical conventions are used in this book:
Used for filenames, directories, emphasis, and first use of a technical term.
Used in code examples. Also used for Java class names and bean names.
Indicates an item that should be replaced with an actual value in your program.
Constant width bold
Used for user input in text and in examples showing both input and output.
Indicates a tip, suggestion, or general note.
Indicates a warning.