CreateDateCells.javaAPI DocApache Poi 3.0.12521Mon Jan 01 12:39:42 GMT 2007org.apache.poi.hssf.usermodel.examples


public class CreateDateCells extends Object
An example on how to cells with dates. The important thing to note about dates is that they are really normal numeric cells that are formatted specially.
Glen Stampoultzis (glens at

Fields Summary
Constructors Summary
Methods Summary
public static voidmain(java.lang.String[] args)

        HSSFWorkbook wb = new HSSFWorkbook();
        HSSFSheet sheet = wb.createSheet("new sheet");

        // Create a row and put some cells in it. Rows are 0 based.
        HSSFRow row = sheet.createRow((short)0);

        // Create a cell and put a date value in it.  The first cell is not styled as a date.
        HSSFCell cell = row.createCell((short)0);
        cell.setCellValue(new Date());

        // we style the second cell as a date (and time).  It is important to create a new cell style from the workbook
        // otherwise you can end up modifying the built in style and effecting not only this cell but other cells.
        HSSFCellStyle cellStyle = wb.createCellStyle();
        cellStyle.setDataFormat(HSSFDataFormat.getBuiltinFormat("m/d/yy h:mm"));
        cell = row.createCell((short)1);
        cell.setCellValue(new Date());

        // Write the output to a file
        FileOutputStream fileOut = new FileOutputStream("workbook.xls");