chenlang02的博客

问题描述传入树的根结点，判断当前树是否是满二叉树。定义树结点的实体类public class TreeNode { private TreeNode leftTreeNode;//左子树 private TreeNode rightTreeNode;//右子树 private Object data;//数据域 public TreeNode(){} public TreeNode(Object data){ this.data = data; } public Tre