code: @Override
      public void writeRowsArray(List<Column> columns, Object[][] rows) throws IOException {
          for (Object[] currentRow : rows) {
              if (currentRow != null) {
                  writeRow(columns, currentRow);
              } else {
                  break;
              }
          }
      }
docs: The method to export a parsed sas7bdat file (stored as an object of the {@link SasFileReaderImpl} class)
  using {@link CSVDataWriterImpl#writer}.
  
  @param columns the {@link Column} class variables list that stores columns description from the sas7bdat file.
  @param rows    the Objects arrays array that stores data from the sas7bdat file.
  @throws java.io.IOException appears if the output into writer is impossible.