Java Program to check if a given binary tree is BST or not?

By | July 16, 2020

In this post, We will talk and learn How to write a Java Program to check if a given binary tree is BST(Binary Search Tree) or not? 

Binary Search Tree (BST) Data Structure

Binary Search Tree or BST is a node-based binary tree data structure which are having the following properties:

  • The left subtree of a node contains only nodes with values smaller value than the root node’s value.
  • The right subtree of a node contains only nodes with values greater than the root node’s value.
  • The left and right subtrees are also must be a binary search tree.
  • You should note that Binary Search Tree(BST) must not be duplicate nodes.

Binary Search Tree

Below is the Complete Source code: 

Check Binary is BST

BinaryTree.java

 

ClientTest.java

The output of This Program:

InOrder Processing of Binary Tree::
1 5 6 10 17 19 21
Input Binary Tree is BST

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That’s all about Java Program to check if a given binary tree is BST or not?
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