Tower of Hanoi in java pgm

Tower of Hanoi

public class MainClass 

{

   public static void main(String[] args) 

  {

      int nDisks = 3;

      doTowers(nDisks, 'A', 'B', 'C');

   }

   public static void doTowers(int topN, char from,

   char inter, char to) 

  {

      if (topN == 1)

   {

         System.out.println("Disk 1 from "

         + from + " to " + to);

      }

      else

      {

         doTowers(topN - 1, from, to, inter);

         System.out.println("Disk "

         + topN + " from " + from + " to " + to);

         doTowers(topN - 1, inter, from, to);

      }

   }

}