Dotnet Programming Concepts Questions List-1

1. Difference between Boxing and Unboxing
2. Difference between Constants and Read-Only variables
3. Difference between while and for loops
4. Difference between Subprocedure and Function (or) Difference between Sub and Function
5. Difference between While loop and do... While loop
6. Difference between TypeOf() and GetType()
7. Difference between IList and IEnumerable
8. Difference between for and foreach loop
9. Difference between Int32.Parse(String) and Convert.ToInt32(String)
10. Difference between REF Parameter and OUT Parameter
11. Difference between IQueryable and IEnumerable
12. Difference between Passing Objects as Parameter and Passing by Ref
13. Difference between Checked and Unchecked Keywords
14. Difference between Value Types and Reference Types
15. Difference between C# and VB.Net
16. Difference between C++ and C#
17. Difference between Arrays in C# and Arrays in other Programming Languages
18. Difference between Method Parameters and Method Arguments
19. Difference between Implicit Conversion and Explicit Conversion
20. Difference between String Keyword and System.String Class
21. Difference between Int.Parse and Int.TryParse methods
22. Difference between Proc sent by Value and by Sub
23. Difference between IEnumerable and IEnumerator
24. Difference between ArrayList and HashTable
25. Difference between Array and ArrayList
26. Difference between Const, Read-Only and Static
27. Difference between HashTable and Arrays
28. Difference between Class and Module
29. Difference between Imperative and Interrogative Code
30. Difference between // Comments, /* */ Comments and /// Comments
31. Difference between VB 6 and VB.Net
32. Difference between int and int32
33. Difference between Convert.toString() and .toString() methods
34. Difference between DiectCast and cType
35. Difference between direct type casting and using "as" keyword
36. Difference between HashTable and Dictionary
37. Difference between int32 and parse
38. Difference between function and methods
39. Difference between List and ArrayList
40. Difference between while,dowhile and for loop? which loop is best