public final class Solution
Example: var ti = TreeNode(5) var v = ti.val Definition for a binary tree node. class TreeNode(var val: Int) { var left: TreeNode? = null var right: TreeNode? = null }
val
Solution()
final List<List<Integer>>
levelOrderBottom(TreeNode root)
final Unit
getOrder(TreeNode root, Integer level)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
final List<List<Integer>> levelOrderBottom(TreeNode root)
final Unit getOrder(TreeNode root, Integer level)