/*
  Author:  James Tam
  Version: 2015

  Learning objectives: tracing a recursive example (tail recursion).
*/

public class TailDriver
{
    public static void tail (int no)
    {
        if (no <= 3)
        {
            System.out.println(no);
            tail(no+1);
        }
        return;
    }

    public static void main (String [] args)
    {
        tail(1);
    }
}