I know about Arrays.deepEquals(Object[], Object[]) but this doesn't work for primitive types (due limitations of arrays and autoboxing, see [this related post][1]). With that in mind, is this the most efficient approach? boolean byteArrayEquals(byte[] a, byte[] b) { if (a == null && b == null) return true; if (a == null || b == null) return false; if (a.length != b.length) return false; for (int i = 0; i