edit 156

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_156.java

@@ -25,8 +25,9 @@
 public class _156 {
 
     public TreeNode upsideDownBinaryTree(TreeNode root) {
-        if (root == null || root.left == null && root.right == null)
+        if (root == null || root.left == null && root.right == null) {
             return root;
+        }
         TreeNode newRoot = upsideDownBinaryTree(root.left);
         root.left.left = root.right;
         root.left.right = root;