@Entity
@Table(name="_question")
public class Question {

    private int id = 0;
    /**
     * 试题正文
     */
    private String title = null;
    /**
     * 试题给出的提示
     */
    private List<String> chooses = null;

         ...................................

    public List<String> getChooses() {
        return chooses;
    }
    public void setChooses(List<String> chooses) {
        this.chooses = chooses;
    }

         ...................................

}