Introduction - If you have any usage issues, please Google them yourself
1, to the students specific data bumban background, to design a bumban students address book. Realization of functions: 1) address book edit (add, delete). 2) to find different items. 3) contacts sorted by different items. 4) write to the address book file 5) the contacts read from the file Note: Contacts should have at least the following data items: name, address, telephone, Zip, E-mail.