用java写的电话簿，记录名字，号码和地址，提供分组功能，可以添加，查找，删除，修改。有图形化界面，用文件方式存储，并按照名字首个汉字拼音降序排列-Using java to write phone book, record the name, number and address, group functions, and can add, find, delete, modify.Have

Graphical interface, with the file storage, and Pinyin by name in descending order