Method main

Recursion/Code/powerOf2.java:17–24

(String args[])

    // Driver Code
    public static void main(String args[])
    {
		Scanner in = new Scanner(System.in);
		System.out.print("Enter a positive number : ");
		int n = in.nextInt();

        System.out.println("Factorial of " + n + " is " + power(n));
    }
}