该程序用来统计一段英文文章中出现单词的种类和各个单词出现的次数，并按字典序排列输出到文件。,The program used for statistical section of the article appears in the English word types and the number of times each word appears, according to the dictionary order arrange the output to a file.

tomcat-native arrange file

用vc实现的二叉树的层次排列输入一颗树输出以层次排列的节点-Using vc to achieve the level of the binary tree to arrange input output nodes arranged in layers of a tree