public static byte[] concatByteArrays(byte[] first, byte[]... remaining) {
int length = first.length;
for (byte[] array : remaining) {
length += array.length;
}
byte[] result = new byte[length];
System.arraycopy(first, 0, result, 0, first.length);
int offset = first.length;
for (byte[] array : remaining) {
System.arraycopy(array, 0, result, offset, array.length);
offset += array.length;
}
return result;
}
