一个模拟手机电话簿程序，可以按照名字字母排序，添加，删除，修改联系人，可以读取文件，并把相关资料保存进文件中，还可根据名字或电话号码查询联系人的相关信息。是个非常好用的程序，仿真度高，功能多，实用性好。-A simulated mobile phone book program, you can sort the letters by name, add, delete, modify contacts, you can read the file, and save the information into the document, also check under the name or phone number contact information. Is a very useful procedure, simulation and high, features and more practical good.