说明：  用 java实现的 搜索二叉树的插入、删除、遍历和平衡，是自己用与数据结构考试编写的 ，对数的相关编程很有用
(java with the realization of the binary tree search, insert, delete, and traverse balance, and the use of their own data structure prepared by the examination of a number of useful programming)