Работа с JDBC

import com.mysql.fabric.jdbc.FabricMySQLDriver;
import kit.DBConnection.Connect;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.sql.*;
 
public class MainServlert extends HttpServlet {
 
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         final  String USERNAME="root";
         final String PASSWORD="root";
        final String URL="jdbc:mysql://localhost:3306/kit";
 
        Connection connection=null;
        PreparedStatement statement=null;
        try {
            Driver driver=new FabricMySQLDriver();
            DriverManager.registerDriver(driver);
            connection=DriverManager.getConnection(URL,USERNAME,PASSWORD);
            statement=connection.prepareStatement("INSERT  INTO student(name, sername, `group`) VALUES ('n4','s4','g4')");
            statement.execute();
        }
        catch (SQLException e){
            e.printStackTrace();
        }
 
 response.sendRedirect("ok.jsp");
 
            }
}

 Class.forName("com.mysql.jdbc.Driver");

Class.forName("org.apache.derby.jdbc.ClientDriver");