import java.util.*; /** * 树节点的定义 */ public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { this.val = val; } } public class Solution { /** * 将二叉搜索树转换为排序的双向循环链表 * @param pRootOfTree 二叉搜索树的根节点 * @...