java

 import java.util.*; class BinaryTree { int data; BinaryTree left, right; BinaryTree(int x) { this.left=this.right=null; data=x; } public vo...

class Node { int key; Node left, right; public Node(int item) { key = item; left = right = null; } } public class BinaryTree1 { Node root; B...

java Program to demonstrate the use of recursion to find the factorial of a given number. import java.util.Scanner; class Factorial { public...