TRA-2

Tips
Android播放音乐可以用soundPool

Review

4、Android WebView自带的缓存机制有5种：
浏览器 缓存机制
Application Cache 缓存机制
Dom Storage 缓存机制
Web SQL Database 缓存机制
Indexed Database 缓存机制
Algorithm

二叉树的镜像

public class BinaryTreeNode
    {
        public int Data { get; set; }
        public BinaryTreeNode leftChild { get; set; }
        public BinaryTreeNode rightChild { get; set; }

        public BinaryTreeNode(int data)
        {
            this.Data = data;
        }

        public BinaryTreeNode(int data, BinaryTreeNode left, BinaryTreeNode right)
        {
            this.Data = data;
            this.leftChild = left;
            this.rightChild = right;
        }
    }