本程序包括二叉树的创建，各种遍历方法(前序，中序，后序以及各层算法）。-This process includes the creation of a binary tree, various traversal methods (pre-order, middle order, post order, and layers of algorithm).

java implementation of binary decision tr-java implementation of binary decision tree

分布式数据库中逻辑计划树生产代码，是以二叉树形式构建的-Logical plan tree production code in a distributed database is a binary tree constructed in the form of