实现在一个矩形区域内的无线网络节点管理。每个节点包含x，y，data按照data大小构成平衡二叉树并进行增删查检操作-Wireless Network Node Manager in a rectangular area. Each node contains the x, y, data according to the data size to constitute a balanced binary tree, and the additions and deletions of sear

一个简单的socket程序，具有服务器和客户端，对于socket入门具有很好的效果- A simple socket program, with the server and client, the entry for the socket has a good effect a painting balanced binary tree method