凸包的应用文件（包裹法求凸包的算法） 写得比较经典-Convex hull of the application files (packages Method of Convex Hull algorithm) written in the classical comparison

中文分词算法，用正向最大匹配算法实现的中文分词，包裹dao操作数据库。-Chinese word segmentation algorithm, the forward maximum matching algorithm of Chinese word segmentation, wrapped dao operations database.