code: public static void print(double[] a) {
  		int N = a.length;
  		System.out.println(N);
  		for (int i = 0; i < N; i++) {
  		 //   System.out.printf("%9.5f ", a[i]);
  			System.out.print(a[i] + " ");
  		}
  		System.out.println();
  	}
docs: Print an array of doubles to standard output.
  @param a