code: public synchronized PacketBuilder withFloat(final float f)
      {
          checkBuilt();
          try
          {
              dataOutputStream.writeFloat(f);
          }
          catch (final IOException e)
          {
              logger.error("Unable to add float: {} : {}", e.getClass(), e.getMessage());
          }
          return this;
      }
docs: Adds a float
  @param f Float
  @throws IllegalStateException see {@link #checkBuilt()}