1Hardgeneralโฑ 45sWhat problem does the `in` parameter modifier solve in C#?๐โผAPasses a value type by reference for read-only access, avoiding a copy for large structs without allowing mutationBMakes a parameter optionalCMarks a parameter as output-onlyDBoxes the parameter
2Hardgeneralโฑ 45sHow does the C# garbage collector's generational model improve performance?๐โผAIt scans the entire heap on every collectionBMost objects die young, so Gen 0 is collected frequently and cheaply, while long-lived objects are promoted to Gen 1/2 and collected less oftenCIt never collects Gen 2 objectsDGenerations are only used for large objects