Maximum Depth of Binary Tree

Overview

Easy 2 solutions

Categories

TreeDepth-First SearchBreadth-First SearchBinary Tree

package tree.recursive;

import tree.TreeNode;

public class MaximumDepthOfBinaryTree {

    public int maxDepth(TreeNode root) {
        if (root == null) return 0;
        int maxLeftDepth  = maxDepth(root.left);
        int maxRightDepth = maxDepth(root.right);
        return Math.max(maxLeftDepth, maxRightDepth) + 1;
    }

}