Binary Tree Traversals Problem Description A binary tree is a finite set of vertices that is either empty or consists of a root r and two disjoint binary trees called the left and right subtrees. There are three most important ways in which the verti…
javase-常用三种遍历方法 import java.util.ArrayList; import java.util.Iterator; import java.util.List; public class Bianli { public static void main(String[] args) { List<String> list = new ArrayList<String>(); list.add("add"); list.add("…