Write a Java program to find the height or depth of a binary tree?

By | July 16, 2020

In this post, We will learn How to write a Java program to find the height or depth of a binary tree? 

Logic is Very Simple:

The depth or height of a binary tree is the length of the longest path from the root to a leaf.  The depth of a binary tree with no descendants is zero.

  1. If the tree is empty then the height of the tree is 0.
  2. else Start from the root and,
    1. Find the maximum depth of the left sub-tree recursively.
    2. Find the maximum depth of the right sub-tree recursively.
  3. The maximum depth of these two is (left and right subtree) height of the binary tree + 1.

Binary Tree For Traversal

For Example, the Height of  this binary tree would be 3

Time Complexity : O(n) , Space Complexity : O(n) for recusive Stack 

Below is the Complete Source code: 

FInd Height Of BinaryTree

BinaryTree.java

 

ClientTest.java

 

The output of This Program:

Height of Binary Tree is:3

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That’s all about Write a Java program to find the height or depth of a binary tree?
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