How to import the Excel file into Oracle Table Using Java

Please find the below code to import the Excel File into the Oracle Table

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package test;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 *
 * @author Aravind
 */
public class App {
    public static void main(String args[]){
        try { 
                Class.forName("oracle.jdbc.driver.OracleDriver");  
                Connection con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl","system","system");
                System.out.println("");
                con.setAutoCommit(false);
                PreparedStatement pstm = null;
                String destDir="C:\\Users\\Desktop\\test.xlsx";
                System.out.println("destDir==> "+destDir); 
                XSSFWorkbook workBook = new XSSFWorkbook(destDir); 
                XSSFSheet sheet = workBook.getSheetAt(0); 
                int totalRows = sheet.getPhysicalNumberOfRows(); 
                System.out.println("total no of rows >>>>"+totalRows); 
                Row row;
                for (int i = 1; i <= sheet.getLastRowNum(); i++) {
                    row = (Row) sheet.getRow(i);
                    String name = row.getCell(0).getStringCellValue();
                    String add = row.getCell(1).getStringCellValue();
                    int  contact = (int) row.getCell(2).getNumericCellValue();
                    String email = row.getCell(3).getStringCellValue();
                    System.out.println(name+":My EMAIL address is "+email);
                    String sql = "INSERT INTO TEST_EMPLOYEE (NAME, ADDRESS, CONTACT, EMAIL) VALUES('" + name + "','" + add + "'," + contact + ",'" + email + "')";
                    pstm = (PreparedStatement) con.prepareStatement(sql);
                    pstm.execute();
                    System.out.println("Import rows " + i);
                }
                con.commit();
                pstm.close();
                con.close();
                System.out.println("Success import excel to my table");
        }
        catch(Exception e){
        }
    }
}