TRA-2

Tips
Android播放音樂可以用soundPool

Review

4、Android WebView自帶的緩存機制有5種：
瀏覽器 緩存機制
Application Cache 緩存機制
Dom Storage 緩存機制
Web SQL Database 緩存機制
Indexed Database 緩存機制
Algorithm

二叉樹的鏡像

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;
        }
    }