프로그래밍/CSharp1 What is the purpose of a question mark after a type (for example: int? myVariable)? tinyurl.com/y3eoyo5h What is the purpose of a question mark after a type (for example: int? myVariable)? Typically the main use of the question mark is for the conditional, x ? "yes" : "no". But I have seen another use for it but can't find an explanation of this use of the ? operator, for example. ... stackoverflow.com It means that the value type in question is a nullable type 2020. 12. 9. 이전 1 다음