import org.apache.poi.ss.usermodel.*;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import java.io.*;
import java.util.Calendar;
import java.util.Date;

public class Sample6_1{
  public static void main(String[] args){
    Workbook wb = new HSSFWorkbook();
    Sheet sheet = wb.createSheet();
    Row row = sheet.createRow(1);

    Cell cell0 = row.createCell(0);
    Cell cell1 = row.createCell(1);
    Cell cell2 = row.createCell(2);

    cell0.setCellValue(123);
    cell1.setCellValue(123);
    cell2.setCellValue(123);

    cell0.setCellType(Cell.CELL_TYPE_NUMERIC);
    cell1.setCellType(Cell.CELL_TYPE_STRING);
    cell2.setCellType(Cell.CELL_TYPE_BOOLEAN);

    FileOutputStream out = null;
    try{
      out = new FileOutputStream("sample6_1.xls");
      wb.write(out);
    }catch(IOException e){
      System.out.println(e.toString());
    }finally{
      try {
        out.close();
      }catch(IOException e){
        System.out.println(e.toString());
      }
    }
  }
}