如何在Java中将列表转换为列表？

Question

在我的Spring Boot项目中，我有两个类（实体和模型）

在模型中有一个列表 :

 public class FCSeriesModel {
        private String name;
        private List<List<Object>> values;
    //GET & SET 
    }

@Entity
@Table(name = "Final_Feign_Client_Result")
public class FinalFCResultEntity {

    @Id
    @Column(name = "id")
    @GeneratedValue(strategy = IDENTITY)
    private Integer id;

    @Column(name = "name")
    private String name;

    @ElementCollection
    @CollectionTable(name = "Final_Feign_Client_Result_Columns")
    @OnDelete(action = OnDeleteAction.CASCADE)
    @JoinColumn(name = "final_feign_client_result_entity_id", nullable = false)
    protected List<List<String>> values;

    // GET & SET
    }

@Transactional
public FinalFCResultEntity postFinalFCResultEntity() throws Exception {
    final String methodName = "getAllMonterotondoMarittimoModelPstgrs()";
    try {
        this.startLog(methodName);
        String token = getToken();
        FinalFCResultModel FFCRM = feignClient.getAllObject(token);
        logger.info("Request Successful");
        logger.info("FeignClientResultModel:" + FFCRM.toString());

        List<FCResultModel> FCRMs = FFCRM.getResults();
        FinalFCResultEntity FFCRE = new FinalFCResultEntity();

        if (!FCRMs.isEmpty()) {
            for (FCResultModel currFCRM : FCRMs) {
                for (FCSeriesModel currFCSM : currFCRM.getSeries()) {
                    FFCRE.setName(currFCSM.getName());  

                    //ADD setting FFCRE values?????

                    FinalFCResultEntity FFCREsaved = finalFCResultDao.save(FFCRE);
                }
            }
        }
        this.endLog(methodName, FFCRE);
        return FFCRE;
    } catch (final Exception e) {
        logger.error(e.getMessage());
        this.errorLog(methodName, e);
        throw e;
    }
} 

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