摘要: 1 class TreeNode { 2 private Object element; 3 private TreeNode leftChild; 4 private TreeNode rightChild; 5 6 //preOrder traversal recursion style 7 public void preOrder(TreeNode root) { 8 if (root != 阅读全文
posted @ 2019-10-24 20:28 fooever 阅读(195) 评论(0) 推荐(0)