Java use to Excel Modify


import java.io.FileInputStream;
import java.io.FileOutputStream;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;


public class excelWrite {

 public static void main(String[] args) throws Exception {
  
       FileInputStream fis = new FileInputStream("C://test/22222.xls");
       POIFSFileSystem fs = new POIFSFileSystem(fis);

       HSSFWorkbook wb = new HSSFWorkbook(fs);
      
       Sheet sheet = wb.getSheetAt(0);
      
       System.out.println(sheet.getSheetName());
      
       Row row = sheet.getRow(3);
      
       Cell cell = row.getCell((short)5);
      
       cell.setCellType(Cell.CELL_TYPE_STRING);
       cell.setCellValue("홍길동");
      
       System.out.println(" ==================");
       System.out.println(cell.getStringCellValue());
       System.out.println(" ==================");
      
      
       cell = row.getCell((short)10);
      
       cell.setCellType(Cell.CELL_TYPE_STRING);
       cell.setCellValue("555555");
      
      
       row = sheet.getRow(5);
       cell = row.getCell((short)5);
      
       cell.setCellType(Cell.CELL_TYPE_STRING);
       cell.setCellValue("www.google.com");
      
       FileOutputStream fileout = new FileOutputStream("C://test/22222Save.xls");
      
      
       wb.write(fileout);
      
       fileout.close();
 }
 

}