code: public synchronized PacketBuilder withShort(final short s)
      {
          checkBuilt();
          try
          {
              dataOutputStream.writeShort(s);
          }
          catch (final IOException e)
          {
              logger.error("Unable to add short: {} : {}", e.getClass(), e.getMessage());
          }
          return this;
      }
docs: Adds a short
  @param s Short
  @throws IllegalStateException see {@link #checkBuilt()}