一个简单的模拟电信计费功能的系统 采用JAVA 网络编程-A simple function of analog telecommunications billing system uses JAVA Network Programming

android在java层面操作底层系统的源代码，并包含各个硬件的参数，作为编程开发需要了解底层知识的人非常有用-android in the the java level of the source code of the underlying system operation, and contains various hardware parameters, programming developers need to understand the underlying knowledge

利用Visual C++编程设计简单的电话薄管理系统-Programming Visual C++ use simple phone book management system