public class HiberhateUtil {

    private static SessionFactory sessionFactory = null;

    public static SessionFactory getSesssionFactory() {
        try{
            // A SessionFactory is set up once for an application
            sessionFactory = new Configuration()
                    .configure("/hibenate.cfg.xml") // configures settings from hibernate.cfg.xml
                    .buildSessionFactory();
        }
        catch(Throwable ex){
            System.err.println("Session Factory creation failed: " + ex);
            throw new ExceptionInInitializerError(ex);
        }
        return sessionFactory;
    }
}

@Entity
@Table(name = "users")
public class User {

    public static final String SELECT_USER_COUNT_BY_LOGIN = "select_user_count_by_login";

    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private int id;
    @Column(name = "date", columnDefinition = "Integer", nullable = false)
    private int date;
    @Column(name = "name", columnDefinition = "varchar(255)", nullable = false)
    private String name;
    @Column(name = "userName", columnDefinition = "varchar(256)", nullable = false)
    private String userName;
    @Column(name = "password", columnDefinition = "varchar(256)", nullable = false)
    private String password;
    @Column(name = "country", columnDefinition = "varchar(256)", nullable = false)
    private String country;
    @Column(name = "phone", columnDefinition = "varchar(256)", nullable = false)
    private String phone;
    @Column(name = "email", columnDefinition = "varchar(256)", nullable = false, unique = true)
    private String email;

<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.password">root</property>
        <property name="hibernate.connection.url">jdbc:postgresql://localhost:5432/personal</property>
        <property name="hibernate.connection.username">postgres</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="hibernate.current_session_context_class">thread</property>

        <mapping class="users.User"></mapping>
        </session-factory>
</hibernate-configuration>