public override bool Equals(object obj)
{
var other = obj as ChooseAnswerQuestion;
if (obj == null || !base.Equals(other))
{
return(false);
}
return(OperationHelper.CheckEquality(Answers, other.Answers));
}
public override bool Equals(object obj)
{
var other = obj as MultipleChoiceQuestion;
if (obj == null || !base.Equals(other))
{
return(false);
}
return(OperationHelper.CheckEquality(CorrectAnswers, other.CorrectAnswers));
}
public override bool Equals(object obj)
{
var other = obj as Exam;
if (other == null)
{
return(false);
}
return(ExamId == other.ExamId && OperationHelper.CheckEquality(Questions, other.Questions));
}
public override int GetHashCode()
{
return(base.GetHashCode() ^ OperationHelper.GetHash(Answers));
}
public override int GetHashCode()
{
return(OperationHelper.GetHash(Questions) ^ ExamId);
}
public override int GetHashCode()
{
return(base.GetHashCode() ^ OperationHelper.GetHashCodeFromObject(CorrectAnswer));
}
public override int GetHashCode()
{
return(OperationHelper.GetHashCodeFromObject(Title));
}
