code: public void writeAll(java.util.List<String[]> allLines) throws IOException {
  
          openWriter();
          csvWriter.writeAll(allLines);
      }
docs: Writes the entire list to a CSV file.
  The list is assumed to be a String[].
  
  @param allLines
  a List of String[], with each String[] representing a line of
  the file.
  
  @throws IOException
  if an I/O error occurs