code: @Override
  	public long[] toArrayLong() {
  		long[] result = new long[size];
  		System.arraycopy(elementData, 0, result, 0, size);
  		return result;
  	}
docs: Returns an array containing all of the elements in this list
  in the correct order.
  
  @return an array containing all of the elements in this list
  in the correct order.