// override object.Equals
public override bool Equals(object obj)
{
if (obj == null || GetType() != obj.GetType())
{
return(false);
}
Weekday w = (Weekday)obj;
return(Id == w.Id &&
English.EqualsExT(w.English) &&
Chinese.EqualsExT(w.Chinese) &&
Japanese.EqualsExT(w.Japanese));
}