Add a parameter in Class RealityAnswer's function getScore().
Change parameter defaultAnswer to realityAnswer in class RealityAnswer.
Change RealityAnswerScore inherit RealityAnswer, rewrite getScore().
Rewrite getScore() in class RealityFillAnswerScore.
Add RealityRadioAnswerScore inherit RealityAnswer.
Rewrite getScore() in RealityRadioAnswerScore.
Add RealityCheckAnswerScore inherit RealityAnswer.
Rewrite getScore() in RealityCheckAnswerScore
Add RealityRadioAnswerScore inherit RealityAnswer
Rewrite getScore() in RealityJudgeAnswerScore.
Rewrite getScore() in RealityShortAnswerScore.
Add a parameter for defaultAnswer in fill_1_1 and fill_1_2.
Add a parameter totalScore in RealityAnswer.
Add a parameter fillCount in RealityFillAnswerScore.
Change the parameter in RealityFillAnswerScore.
Change return in RealityRadioAnswerScore.
Change parameter in RealityCheckAnswerScore.
Change return value in RealityJudgeAnswerScore.
Change return value in RealityShortAnswerScore.
Add a tool Class TotalScore.