Create MaximumDepthOfTree.java

harshithasudhakar · Dec 19, 2024 · 3e0daa6 · 3e0daa6
1 parent e4fdd89
commit 3e0daa6
Showing 1 changed file with 32 additions and 0 deletions.
diff --git a/Binary Tree/MaximumDepthOfTree.java b/Binary Tree/MaximumDepthOfTree.java
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+/**
+ * Definition for a binary tree node.
+ * public class TreeNode {
+ *     int val;
+ *     TreeNode left;
+ *     TreeNode right;
+ *     TreeNode() {}
+ *     TreeNode(int val) { this.val = val; }
+ *     TreeNode(int val, TreeNode left, TreeNode right) {
+ *         this.val = val;
+ *         this.left = left;
+ *         this.right = right;
+ *     }
+ * }
+ */
+
+import java.util.*;
+class MaximumDepthOfTree {
+    public int maxDepth(TreeNode root) {
+        return postorder(root);
+    }
+
+    public static int postorder(TreeNode root){
+        if(root == null){
+            return 0;
+        }
+
+        int leftDepth = postorder(root.left);
+        int rightDepth = postorder(root.right);
+        return 1+Math.max(leftDepth, rightDepth);
+    }
+}