Подключения через hibernate

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
 
/**
 * Simple Java program to connect to MySQL database running on localhost and
 * running SELECT and INSERT query to retrieve and add data.
 * @author Javin Paul
 */
public class mySql {
 
    // JDBC URL, username and password of MySQL server
    private static final String url = "jdbc:mysql://127.0.0.1/group";
    private static final String user = "root";
    private static final String password = "";
 
    // JDBC variables for opening and managing connection
    private static Connection con;
    private static Statement stmt;
    private static ResultSet rs;
 
    public static void main(String args[]) {
        String query = "select * from ps41";
 
        try {
            // opening database connection to MySQL server
            con = DriverManager.getConnection(url, user, password);
 
            // getting Statement object to execute query
            stmt = con.createStatement();
 
            // executing SELECT query
            rs = stmt.executeQuery(query);
            
            while (rs.next()) {
               int id = rs.getInt(1);
               String name = rs.getString(2);
               String number = rs.getString(3);
               String note = rs.getString(4);
               System.out.println(id+"\t "+name+"\t "+number+"\t "+note);
             }
 
        } catch (SQLException sqlEx) {
            sqlEx.printStackTrace();
        } finally {
            //close connection ,stmt and resultset here
            try { con.close(); } catch(SQLException se) { /*can't do anything */ }
            try { stmt.close(); } catch(SQLException se) { /*can't do anything */ }
            try { rs.close(); } catch(SQLException se) { /*can't do anything */ }
        }
    }
 
}