byte[] result = new byte[a.length]; for (int i = 0; i < result.length; i++) { result[i] = (byte) (a[i] & b[i]); return result;
byte[] returnArray = new byte[arr0.length]; for (int i = 0; i < arr0.length; i++) { returnArray[i] = (byte) (arr0[i] & arr1[i]); return returnArray;