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 Kotlin Interview Questions for Senior Developer. Here are the top 20 interview questions along with answers for a senior Kotlin developer

Top 20 Questions

• 1. What are the key features of Kotlin?

• 2. How does Kotlin handle null safety?

• 3. Explain higher-order functions in Kotlin.

• 4. What are coroutines in Kotlin?

• 5. How does Kotlin support extension functions?

• 6. What is the significance of data classes in Kotlin?

• 7. How does Kotlin ensure type safety?

• 8. What is tail recursion optimization in Kotlin?

• 9. How does Kotlin support functional programming?

• 10. What are sealed classes in Kotlin?

• 11. Explain the use of the let function in Kotlin.

• 12. How does Kotlin handle default arguments in functions?

• 13. Discuss the usage of the apply function in Kotlin.

• 14. How do you ensure thread safety in Kotlin applications?

• 15. Explain the concept of delegates in Kotlin.

• 16. What are the advantages of using Kotlin over Java?

• 17. How do you handle exceptions in Kotlin?

• 18. What are the different visibility modifiers in Kotlin?

• 19. Discuss the usage of the when expression in Kotlin.

• 20. How do you ensure code quality and maintainability in Kotlin projects?

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