code: protected int[] convert( final Integer[] ints) {
  		int[] array = new int[ ints.length];
  		int count = 0;
  		for ( int i : ints) array[ count++] = i;
  		return array;
  	}
docs: Converts an array of Integer objects into an equivalent
  array of int primitives.
  @param ints the array of Integer objects
  @return the primitive ints array