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

		if (java_array == null) return nit_array;

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

		return nit_array;
	`}