Code for Database to Excel data transfering java

import java.io.File;

import java.io.FileOutputStream;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class ExcelDatabase
{
   public static void main(String[] args) throws Exception
   {
      Class.forName("com.mysql.jdbc.Driver");
      Connection connect = DriverManager.getConnection(
      "jdbc:mysql://localhost:3306/excel" ,
      "raj" ,
      "rjvd"
      );
      Statement statement = connect.createStatement();
      ResultSet resultSet = statement
      .executeQuery("select * from emp_tbl");
      XSSFWorkbook workbook = new XSSFWorkbook();
      XSSFSheet spreadsheet = workbook
      .createSheet("employe db");
      XSSFRow row=spreadsheet.createRow(1);
      XSSFCell cell;
      cell=row.createCell(1);
      cell.setCellValue("EMPID");
      cell=row.createCell(2);
      cell.setCellValue("EMPNAME");
      cell=row.createCell(3);
      cell.setCellValue("DEG");
      cell=row.createCell(4);
      cell.setCellValue("SALARY");
      cell=row.createCell(5);
      cell.setCellValue("DEPT");
      int i=2;
      while(resultSet.next())
      {
         row=spreadsheet.createRow(i);
         cell=row.createCell(1);
         cell.setCellValue(resultSet.getInt("EMPID"));
         cell=row.createCell(2);
         cell.setCellValue(resultSet.getString("EMPNAME"));
         cell=row.createCell(3);
         cell.setCellValue(resultSet.getString("DEG"));
         cell=row.createCell(4);
         cell.setCellValue(resultSet.getString("SALARY"));
         cell=row.createCell(5);
         cell.setCellValue(resultSet.getString("DEPT"));
         i++;
      }
      FileOutputStream out = new FileOutputStream(
      new File("exceldatabase.xlsx"));
      workbook.write(out);
      out.close();
      System.out.println(
      "exceldatabase.xlsx written successfully");
   }

}