HCL C# Interview Questions for Senior Developers

Advanced C# Interview Questions asked in HCL for Senior Developers.

1. What does new() mean in C#?
2. What's the difference between a public constructor in an internal class and an internal constructor?
3. How do static constructors for generic types work?
4. How to store a ratio in a single variable and read it back in C#
5. What does object @object mean in C#?
6. What's the difference between a streamwriter and a binarywriter?
7. How do static properties work in an asp.net enviroment?
8. How do you mock a private field?
9. How to store the file in a string?
10. What does object.start() mean?
11. What is the difference between Fixed and Unsafe?
12. How do StyleTriggers work?
13. How to suspend a thread by its name from the main thread?
14. What does placing a @ in front of a C# variable name do?
15. What's the difference between an abstract class and a static one?
16. How do you use random numbers in C#?
17. How to tell what value types are initialized to by the CLR?
18. What is the difference between Function and Delegate in C#?
19. How do you display HTML in windows app in C#?
20. What does really happen when you do GetType()?
21. What's the difference between an argument and a parameter?
22. How do the compiler know it is out of scope?
23. What is the difference between HashSet and List in C#?
24. How do you mock your Webservice?
25. How do you use SecureString securely?
26. How do you model c# attributes in UML?
27. How do transactions work in nhibernate?
28. How do you use System.Threading.Timer and Thread.Sleep?
29. How to track directory opening?
30. What does RETURN in a method do?
31. How do virtual methods work in C#?