@XmlRootElement(name = "cours")
@XmlAccessorType(XmlAccessType.FIELD)
public class Course implements Serializable {

    @XmlAttribute
    private String code;

    @XmlElement(name = "titre")
    private String title;

    @XmlElementWrapper(name = "sessions")
    @XmlElement(name = "session")
    private List<CourseSession> courseSessions;

    public Course() {
    }
}