||An object of this class maintains the collection of Person objects that
constitute an address book
||Applet version of address book application
||Main class for the Address Book example
||An object of this class performs operations on the address book in
response to user gestures on the GUI
||An object of this class allows interaction between the program and the
||An object of this class manages interaction between the address book
program and the file system of the computer it is running on.
||This is a utility class for displaying a dialog that asks for multiple values.
||An object of this class maintains information about a single individual
in the address book
||Comparator for comparing two persons by alphabetical order of name
||Comparator for comparing two persons by order of zip code, with ties
broken by name