Kotlin Intermediate Interview Questions
  1. What are the different types of classes in Kotlin?
  2. How do you implement inheritance in Kotlin?
  3. What is the difference between abstract classes and interfaces in Kotlin?
  4. How do you implement an interface in Kotlin?
  5. How do you define an extension function in Kotlin?
  6. What is null safety in Kotlin?
  7. What are the different types of collections in Kotlin?
  8. How do you perform a filter operation on a collection in Kotlin?
  9. How do you perform a map operation on a collection in Kotlin?
  10. What are higher-order functions in Kotlin?
  11. How do you define a data class in Kotlin?
  12. What are the different visibility modifiers in Kotlin?
  13. What is a property in Kotlin?
  14. How do you perform error handling in Kotlin?
  15. What are extension properties in Kotlin?
  16. How do you define a generic class in Kotlin?
  17. What is a reified type parameter in Kotlin?
  18. How do you define an inline function in Kotlin?
  19. What is a suspension function in Kotlin?
  20. What is a coroutine scope in Kotlin?
  21. What is a suspend lambda in Kotlin and how does it work?
  22. How do you use the "run" function in Kotlin?
  23. How do you use the "let" function in Kotlin?
  24. What is the "lateinit" modifier in Kotlin?
  25. What is the difference between "as" and "as?" in Kotlin?
  26. How do you use the "require" function in Kotlin?
  27. What is the "let" block in Kotlin?
  28. How do you use the "also" function in Kotlin?
  29. What is the "const" modifier in Kotlin?
  30. What is the "by lazy" delegate in Kotlin?
  31. What is the difference between a suspend function and a blocking function, and when should you use each?
  32. How do you properly use the "when" expression in Kotlin when you need to return a value?
  33. What is the difference between "override" and "override fun" when implementing an interface in Kotlin?
  34. How do you ensure thread-safety when working with shared mutable state in Kotlin?
  35. How do you properly implement a custom iterator in Kotlin?
  36. How do you use sealed classes to define state machines in Kotlin?
  37. What is the difference between "listOf" and "mutableListOf" in Kotlin?
  38. How do you implement the "builder" pattern in Kotlin?
  39. What is the difference between "unit" and "void" in Kotlin?
  40. How do you use "by" to implement delegates in Kotlin?
Kotlin Interview Questions For Experienced
  1. What are the different types of functions in Kotlin?
  2. What is a lambda expression in Kotlin?
  3. How do you perform lazy initialization in Kotlin?
  4. What is a delegated property in Kotlin?
  5. What is a sealed class in Kotlin?
  6. How do you define a DSL in Kotlin?
  7. What is type projection in Kotlin?
  8. How do you implement coroutines in Kotlin?
  9. What is a suspend function in Kotlin?
  10. How do you perform type-safe builders in Kotlin?
  11. What is a suspend coroutine in Kotlin?
  12. How do you implement a custom operator in Kotlin?
  13. What is a higher-order extension function in Kotlin?
  14. How do you implement a DSL in Kotlin using function literals with receivers?
  15. What is the inline class in Kotlin?
  16. What is a property delegate in Kotlin?
  17. What are flow builders in Kotlin?
  18. What is the difference between a sequence and a flow in Kotlin?
  19. How do you implement a suspendable sequence in Kotlin?
  20. How do you use the Kotlin compiler plugins to perform static analysis of code?
  21. What is a type-safe builder in Kotlin and how does it work?
  22. How do you use the "coerceAtMost" and "coerceAtLeast" functions in Kotlin?
  23. What is the difference between a function and a lambda in Kotlin?
  24. How do you use the "invoke" operator in Kotlin?
  25. How do you use the "reified" modifier in Kotlin?
  26. What is the "when" block in Kotlin?
  27. What is the "requireNotNull" function in Kotlin?
  28. How do you use the "use" function in Kotlin?
  29. What is the "repeat" function in Kotlin?
  30. How do you use the "crossinline" modifier in Kotlin?
  31. What are the common performance issues in Kotlin, and how do you avoid them?
  32. How do you use Kotlin's extension functions to write more concise and expressive code?
  33. What is the difference between "lateinit" and "lazy" in Kotlin, and when should you use each?
  34. How do you implement the "strategy" design pattern in Kotlin?
  35. What is the difference between "infix" and "operator" in Kotlin, and when should you use each?
  36. How do you use coroutines to implement asynchronous operations in Kotlin, and what are the best practices for doing so?
  37. How do you properly handle exceptions in Kotlin, and what are the best practices for doing so?
  38. What is the difference between "forEach" and "forEachIndexed" in Kotlin, and when should you use each?
  39. How do you implement the "chain of responsibility" design pattern in Kotlin?
  40. How do you use the "withIndex" function to iterate over a collection in Kotlin, and what are the best practices for doing so?