Method main

Recursion/Code/NthStair.java:22–29

(String args[])

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

        System.out.println("Number of ways to reach " + n + "th step is " + countWays(n));
    }
}