Most concise recursive Java solution

  • 0
    public class Solution {
        public void connect(TreeLinkNode root) {
            connect(root, null);
        private void connect(TreeLinkNode root, TreeLinkNode right) {
            if (root == null) return;
   = right;
            connect(root.right, right != null? right.left : null);
            connect(root.left, root.right);

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