code: public static List<String> readToList(Reader r) throws IOException {
  		try ( BufferedReader in = new BufferedReader(r) ) {
  			List<String> l = new ArrayList<>();
  			String line = null;
  			while ((line = in.readLine()) != null)
  				l.add(line);
  			return Collections.unmodifiableList(l);
  		}
  	}
docs: Read the Reader line for line and return the result in a list