Hello, i am working on my Quizproject but recently i stumbled upon a problem.I need to serialize my Qt class.I found this example on the internet https://stackoverflow.com/questions/...zation-with-qt, it's the first answer.I want to implement it on a similar way on my class here's my class:
Qt Code: 
  1. class Answer{
  2. private:
  3.     qint8 id;
  4.     QString answer;
  5.  
  6. public:
  7.     Answer(QString nAnswer, qint8 nId);
  8.     QString getAnswer();
  9.     qint8 getId();
  10.  
  11. };
  12.  
  13. class Card
  14. {
  15. private:
  16.     QString question;
  17.     QVector<Answer> answers;
  18.     qint8 solutionId;
  19.  
  20. public:
  21.     Card(QString nQuestion, qint8 nSolutionId, QVector<Answer> nAnswers);
  22.     QString getQuestion();
  23.     QVector<Answer> getAnswers();
  24.     qint8 getSolutionId();
  25.  
  26. };
  27.  
  28. Answer::Answer(QString nAnswer, qint8 nId)
  29. {
  30.     answer = nAnswer;
  31.     id = nId;
  32. }
  33.  
  34.  
  35. Card::Card(QString nQuestion, qint8 nSolutionId, QVector<Answer> nAnswers)
  36. {
  37.     question = nQuestion;
  38.     solutionId = nSolutionId;
  39.     answers = nAnswers;
  40. }
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