Which of the following statements are correct about Structures used in C#.NET? 1 A Structure can be declared within a procedure. 2 Structs can implement an interface but they cannot inherit from another struct. 3 struct members cannot be declared

Which of the following statements are correct about Structures used in C#.NET?

1 A Structure can be declared within a procedure.

2 Structs can implement an interface but they cannot inherit from another struct.

3 struct members cannot be declared as protected.

4 A Structure can be empty.

5 It is an error to initialize an instance field in a struct.