: Creating classes for MailItem , Envelope , and SortingMachine .
In many IDEs (Integrated Development Environments) or version control setups, a .projectarchive file serves as a snapshot of a coding project. It bundles together: PostalMailSorting.projectarchive
: Configuration files that tell a computer how to build and run the program. : Creating classes for MailItem , Envelope ,
: Used to parse addresses and identify five-digit or ZIP+4 codes. : Creating classes for MailItem