Encode/Decode 16-bit unsigned integer

duh.java

byte[] encode(int x) {
  byte[] b = new byte[2];
  b[0] = (byte)(x>>8 & 0xff);
  b[1] = (byte)(x & 0xff);
  return b;
}

int decode(byte[] b) {
  return ((b[0] & 0xff) << 8) | (b[1] & 0xff);
}