Beckett.java in pgm

Beckett.java

public class Beckett

 {

 public static void moves(int n, boolean forward) 

 {

        if (n == 0) return;

        moves(n-1, true);

        if (forward) System.out.println("enter " + n);

        else         System.out.println("exit  " + n);

        moves(n-1, false);

    }

                public static void main(String[] args) 

                {

        int N = Integer.parseInt(args[0]);

        moves(N, true);

    }

}