Вопросы с собеседования на должность «C# Developer»

1. Name ten c# keywords.
2. What is a 'static' class?
3. What is difference between overloading and overriding?
4. Is multiple inheritance supported in .Net?
5. Class inherits from two interfaces containing methods with the same signature. Is it possible to provide different implementations for these methods?
6. What can be a root reference?
7. How 'System.String' class differs from most of other classes?
8. Will a 'finally' block be executed if there was no exception thrown?
9. What is a satellite assembly?
10. How 'protected' access modifier affects visibility?
11. What does keyword 'mutable'?
12. Can multiple catch blocks be executed?
13. What does operator 'as' do?
14. What does keyword 'final'?
15. Can different access modifiers be applied on the getter and setter of a property?
16. Can a class be prevented from being inherited?
17. What is event?
18. What is the difference between event and delegate?
19. Are events synchronous or asynchronous?
20. What does keyword 'safe'?
21. Can interface members be private?
22. What does keyword 'in'?
23. What is the advantage of using 'System.Text.StringBuilder' class over 'System.String'?
24. What is special about the declaration of relational operators?
25. How 'public internal' access modifier affects visibility?
26. Can a local variable get garbage collected before it becomes out-of-scope?
27. What implementations of serialization are built in FCL? Where are they used?
28. How 'protected internal' access modifier affects visibility?
29. Can 'break' exit a finally block?
30. How to apply attribute to method return value?
31. What is the difference between C# class finalizer and C# class destructor?
32. What is purpose of 'IDisposable' interface?
33. Can an array be resized at runtime?
34. Does the size of an array need to be defined at compile time?
35. Can a destructor have access modifiers?
36. What is smallest integer type to represent number not greater than 40 000?
37. What do keywords 'sizeof' and 'typeof'?
38. What is differece between 'sizeof' and 'Marshal.SizeOf'?
39. What is array rank?
40. What does keyword 'stackalloc'?
41. What encoding uses 'System.String' class?
42. What is boxing and unboxing?
43. What is reflection?
44. What is struct?
45. What is multicast delegate?
46. Does C# have “friendship”?
47. What is the 'using' statement for?
48. Can a struct have methods?
49. Can a struct be inherited?
50. Why do most event handlers use signature 'void(object, EventArgsDerivative)'?

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