abstract class ArrayReverser implements Reverser
{
	 volatile int[] array;
	 volatile int[] reversed;

	 public void setArray(int[] array) {
		  this.array = array;
		  this.reversed = new int[array.length];
	 }

	 public int[] array() {
		  return array;
	 }

	 public int[] reversed() {
		  return reversed;
	 }

}