求二叉树的高度(深度+1)

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采用递归思想:

package com.zxm;/** * Creator:zhangxiaomeng * Date:2017/10/22 * Description:求树的高度 */public class Tree {    public static void main(String[] args) {        Node root=new Node();        Node node1=new Node();        Node node2=new Node();        Node node3=new Node();        Node node4=new Node();        Node node5=new Node();        Node node6=new Node();        root.left=node1;        root.right=node2;        node1.left=node3;        node1.right=node4;        node3.left=node5;        node3.right=node6;        System.out.print(findDeep(root));    }    public static int findDeep(Node root){        if(root==null) {            return 0;        }else{            int lchildDeep=findDeep(root.left);            int rchildDeep=findDeep(root.right);            return lchildDeep>=rchildDeep?lchildDeep+1:rchildDeep+1;        }    }}class Node{    Node left;    Node right;}

对应的二叉树:



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