剑指offer题解 二叉树的镜像

二叉树的镜像定义：源二叉树
8
/   \
6    10
/ \   / \
5   7 9   11
镜像二叉树
8
/   \
10    6
/ \   / \
11  9 7   5

/**
public class TreeNode {
int val = 0;
TreeNode left = null;
TreeNode right = null;

public TreeNode(int val) {
this.val = val;

}

}
*/
public class Solution {
public void Mirror(TreeNode root) {
if(root==null) return;
TreeNode temp=root.left;
root.left=root.right;
root.right=temp;
Mirror(root.left);
Mirror(root.right);
}
}