select with parameter

package pl.selfimproveit.hibernate;
import java.util.List;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import pl.selfimproveit.model.User;

public class Launcher {
    public static void main(String[] args) {
        SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
        Session session = sessionFactory.openSession();
        session.beginTransaction();

        Query query = session.createQuery("from User u where u.firstName =:name").setParameter("name", "John");
        List<User> users = query.list();

        System.out.println(users.size());
        for (User user : users) {
            System.out.println(user);
        }
        session.close();
    }
}