fun byte_array_extra(name: JavaString): Array[Int] import Array[Int],
	  Array[Int].add in "Java" `{
		byte[] java_array = self.getByteArrayExtra(name);
		NitObject nit_array = new_Array_of_Int();

		for (int i=0; i < java_array.length; ++i)
			Array_of_Int_add(nit_array, java_array[i]);

		return nit_array;
	`}