用Java语言编写的GPS定位系统，已通过编译，可以直接运行。（其中用了图中求源点到目的顶点最短距离的算法）-A program is GPS. A very simple but useful program. It will be helpful to you.

一个简单的android定位应用，功能是用gps定位后以短信形式发至手机，含源代码-A simple application, android positioning function with gps positioning the form of a text message to the phone, including source code