Print leaf node in Threaded Binary Search Tree

Here given code implementation process.

1) Detect leaf nodes of threaded BST in java 2) Detect leaf nodes of threaded BST in golang 3) Detect leaf nodes of threaded BST in c++ 4) Detect leaf nodes of threaded BST in c 5) Detect leaf nodes of threaded BST in c# 6) Detect leaf nodes of threaded BST in vb.net 7) Detect leaf nodes of threaded BST in php 8) Detect leaf nodes of threaded BST in node js 9) Detect leaf nodes of threaded BST in typescript 10) Detect leaf nodes of threaded BST in python 11) Detect leaf nodes of threaded BST in ruby 12) Detect leaf nodes of threaded BST in scala 13) Detect leaf nodes of threaded BST in swift 14) Detect leaf nodes of threaded BST in kotlin