csharp

Interview Questions and Answers

CSharp

Question:
What are C# attributes and its significance?
Answer:

C# provides developers a way to define declarative tags on certain entities eg. Class, method etc. are called attributes. The attribute’s information can be retrieved at runtime using Reflection.

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CSharp - Questions
1. Is C# object oriented?
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2. Does C# have a throws clause?
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3. What is the use of goto statement?
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4. What is the difference between console and window application?
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5. What are the special operators in C#?
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6. What is meant by operators in c#?
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7. What are the different types of variables in C#?
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8. What are the two data types available in C#?
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9. What is the difference between Custom Control and User Control?
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10. What's C# ?
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11. How do I declare inout arguments in C#?
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12. Is there any sample C# code for simple threading?
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13. How do you inherit from a class in C#?
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14. Does C# support C type macros?
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15. Does C# support multiple inheritance?
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16. How does one compare strings in C#?
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17. How do you generate documentation from the C# file commented properly with a command-line compiler?
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18. What are the characteristics of C#?
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19. What are the different categories of inheritance?
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20. What are the modifiers in C#?
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21. Where are the types of arrays in C#?
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22. What is the difference between Object and Instance?
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23. What is the use of enumerated data type?
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24. What is ENUM?
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25. What is a data set?
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26. what is an abstract base class?
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27. What is the use of using statement in C#?
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28. What is serialization?
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29. What are the difference between Structure and Class?
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30. What is the difference between directcast and ctype?
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31. How to implement singleton design pattern in C#?
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32. How we can create an array with non-default values?
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33. How do you inherit a class into other class in C#?
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34. What are the advantages of get and set properties in C#?
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35. What are the difference between const and readonly?
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36. What is a basic difference between the while loop and do while loop in C#?
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37. Can we declare a block as static in c#?
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38. What Command is used to implement properties in C#?
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39. What are the different types of polymorphism?
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40. What is the difference between compile time polymorphism and run time polymorphism?
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41. Why is the virtual keyword used in code?
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42. How does C# differ from C++?
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43. What is the main use of delegates in C#?
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44. Is String is Value Type or Reference Type in C#?
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45. Does C# provide copy constructor?
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46. Which is an exclusive feature of C#?
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47. Does C# support a variable number of arguments?
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48. What are the features of c#?
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49. Is there an equivalent of exit() for quitting a C# .NET application?
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50. How do I port synchronized functions from Visual J++ to C#?
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