code: public void setColumnCellStyles (int column, String... styles)
      {
          int rowCount = getRowCount();
          for (int row = 0; row < rowCount; ++row) {
              setStyleNames(row, column, styles);
          }
      }
docs: Sets the style of all cells in the given column to the given values. The first style is set
  as the primary style and additional styles are added onto that.