VB.NET Interview Questions For Freshers
  1. How do you declare variables in VB.NET?
  2. What are the different data types in VB.NET?
  3. Explain the concept of inheritance in VB.NET.
  4. How do you create a class in VB.NET?
  5. What are access modifiers in VB.NET and how do you use them?
  6. What is the difference between a function and a sub in VB.NET?
  7. What is a constructor in VB.NET and how is it used?
  8. What is an event in VB.NET?
  9. Explain the difference between a structure and a class in VB.NET.
  10. How do you handle exceptions in VB.NET?
  11. What is LINQ and how do you use it in VB.NET?
  12. What is the difference between ByVal and ByRef in VB.NET?
  13. What is a delegate in VB.NET?
  14. What is the difference between a string and a StringBuilder in VB.NET?
  15. What is an interface in VB.NET and how is it used?
  16. How do you handle multi-threading in VB.NET?
  17. What is a collection in VB.NET and how do you use it?
  18. Explain the concept of boxing and unboxing in VB.NET.
  19. How do you work with databases in VB.NET?
  20. How do you implement conditional statements (if-else) in VB.NET?
  21. What is a loop and how do you implement it in VB.NET?
  22. How do you work with arrays in VB.NET?
  23. What is a function and how do you define it in VB.NET?
  24. What is a module and how do you use it in VB.NET?
  25. How do you implement error handling in VB.NET?
  26. What is a class and how do you define it in VB.NET?
  27. How do you implement access modifiers in VB.NET?
  28. What is a namespace and how do you use it in VB.NET?
  29. How do you implement file I/O operations in VB.NET?
  30. What is a delegate and how do you use it in VB.NET?
  31. What is a structure and how is it different from a class in VB.NET?
  32. How do you work with dates and times in VB.NET?
  33. What is a Boolean data type in VB.NET and how do you use it?
  34. How do you use the Debug class in VB.NET?
VB.NET Intermediate Interview Questions
  1. What is a module in VB.NET and how is it used?
  2. How do you create and use extension methods in VB.NET?
  3. What is a partial class in VB.NET and how is it used?
  4. Explain the concept of generics in VB.NET.
  5. What is a lambda expression in VB.NET and how do you use it?
  6. What is the difference between an abstract class and an interface in VB.NET?
  7. How do you work with XML in VB.NET?
  8. What is the difference between a private and a protected access modifier in VB.NET?
  9. What is the purpose of the System.Collections namespace in VB.NET?
  10. How do you work with the File and Directory classes in VB.NET?
  11. What is the difference between a thread and a task in VB.NET?
  12. What is a mutex in VB.NET and how is it used?
  13. What is the difference between a synchronous and an asynchronous method call in VB.NET?
  14. How do you use LINQ to SQL in VB.NET?
  15. What is the difference between a dataset and a data reader in VB.NET?
  16. How do you implement a singleton pattern in VB.NET?
  17. What is the difference between a value type and a reference type in VB.NET?
  18. How do you implement a custom exception in VB.NET?
  19. What is the difference between a join and a group by in LINQ in VB.NET?
  20. What is the purpose of the System.Diagnostics namespace in VB.NET?
  21. What is the difference between a shared and an instance member in VB.NET?
  22. How do you implement multithreading in VB.NET?
  23. What is a stream and how do you work with it in VB.NET?
  24. How do you work with XML documents in VB.NET?
  25. What is the difference between an exception and an error in VB.NET?
  26. What is a lambda expression and how do you use it in VB.NET?
  27. How do you work with regular expressions in VB.NET?
  28. What is a LINQ query and how do you use it in VB.NET?
  29. How do you implement a custom exception class in VB.NET?
  30. What is the difference between a synchronous and an asynchronous method in VB.NET?
  31. How do you work with the WebRequest and WebResponse classes in VB.NET?
  32. What is a semaphore and how is it used in VB.NET?
  33. How do you implement a dynamic keyword in VB.NET?
  34. What is the difference between a Hashtable and a Dictionary in VB.NET?
VB.NET Interview Questions For Experienced
  1. What is a design pattern and how do you use it in VB.NET?
  2. How do you implement a fluent interface in VB.NET?
  3. What is a closure in VB.NET and how is it used?
  4. How do you work with the Entity Framework in VB.NET?
  5. What is the difference between a dictionary and a hashtable in VB.NET?
  6. How do you implement a factory pattern in VB.NET?
  7. What is the difference between a user control and a custom control in VB.NET?
  8. How do you work with delegates in a multithreaded environment in VB.NET?
  9. What is a covariance and contravariance in VB.NET?
  10. How do you implement a publish-subscribe pattern in VB.NET?
  11. What is the difference between a value task and a reference task in VB.NET?
  12. How do you implement lazy initialization in VB.NET?
  13. What is the purpose of the System.Transactions namespace in VB.NET?
  14. How do you work with the Parallel class in VB.NET?
  15. What is a task scheduler in VB.NET and how is it used?
  16. How do you implement a dependency injection pattern in VB.NET?
  17. What is the difference between a shallow copy and a deep copy in VB.NET?
  18. How do you implement a binary search algorithm in VB.NET?
  19. What is the difference between a stack and a queue in VB.NET?
  20. How do you work with the Microsoft Office Interop libraries in VB.NET?
  21. What is the difference between a web service and a WCF service in VB.NET?
  22. How do you implement a RESTful service in VB.NET?
  23. What is the purpose of the System.Net namespace in VB.NET?
  24. What is the difference between an object and a class in VB.NET?
  25. How do you work with parallel programming in VB.NET?
  26. What is the difference between a stack and a heap in VB.NET?
  27. How do you implement a LINQ provider in VB.NET?
  28. What is the difference between a covariance and a contravariance in VB.NET?
  29. How do you work with the Reflection API in VB.NET?
  30. What is the difference between an anonymous type and a named type in VB.NET?
  31. How do you implement a dynamic proxy in VB.NET?
  32. What is the difference between an event and a delegate in VB.NET?
  33. How do you implement a fluent interface in VB.NET?
  34. What is the difference between a thread-safe and a non-thread-safe class in VB.NET?
  35. How do you implement a custom iterator in VB.NET?
  36. What is the difference between an eager and a lazy loading in VB.NET?
  37. How do you implement a publish-subscribe pattern in VB.NET?
  38. What is the difference between a garbage collector and a finalizer in VB.NET?