code: public void loadClassifier(InputStream in, Properties props) throws IOException, ClassCastException,
        ClassNotFoundException {
      loadClassifier(new ObjectInputStream(in), props);
    }
docs: Load a classifier from the specified InputStream. The classifier is
  reinitialized from the flags serialized in the classifier. This does not
  close the InputStream.
  
  @param in
  The InputStream to load the serialized classifier from
  @param props
  This Properties object will be used to update the
  SeqClassifierFlags which are read from the serialized classifier
  
  @throws IOException
  If there are problems accessing the input stream
  @throws ClassCastException
  If there are problems interpreting the serialized data
  @throws ClassNotFoundException
  If there are problems interpreting the serialized data