code: public List<Cell> createTitleCells(String... strs) {
          List<Cell> cells = new ArrayList<>();
  
          for (String s : strs) {
              Cell cell = this.createTitleCell(s, DEFAULT_WIDTH);
              cells.add(cell);
          }
          return cells;
      }
docs: Create title cells list.
  
  @param strs the strs
  @return the list