java编写的applet小应用程序，是最短路径的算法演示程序。界面是英文的。-java applet prepared by the small applications, is the shortest path algorithm demonstration program. The interface is in English.

这是确定起点的最短路径动画演示 - 即已知起始结点，求最短路径的问题的动画演示. -This is a animation of according a knowing starting point to determine the shortest path s animation- that is, the starting node is known,and find the shortest path .