@Entity
@Table( name = "T_TABLE_F" )
public class ClasseF implements Serializable
{
  @Id
  @GeneratedValue( strategy = GenerationType.IDENTITY )
  @Column( name = "F_ID" )
  private Long id;
  
  @Column( name = "F_REMARQUE" )
  private String remarque;
  
  @OneToMany
  @JoinColumn( name = "F_ID_FK")
  private List< ClasseG > listeG;
...