Introduction - If you have any usage issues, please Google them yourself
The establishment of a tree, using the first order non-recursive tree traversal methods, 1. Bintree master list in the binary storage structure common traversal methods: first order recursive traversal, in order recursive and non-recursive traversal, after the recursive traversal sequence. Understanding of binary tree traversal by layer, the first non-recursive traversal sequence and post-recursive traversal sequence.