Kotlin Interview Questions
Questions Answers Views Company eMail

What is Kotlin?

17

Who is the developer of Kotlin?

26

Does Kotlin allow macros?

39

What is Ranges operator in Kotlin?

25

Explain the use of extension functions

27

Can we migrate code from Java to Kotlin?

39

How can you declare a variable in Kotlin?

12

Tell three most important benefits of using Kotlin?

22

How can you handle null exceptions in Kotlin?

14

Give me name of the extension methods Kotlin provides to java.io.File

17

How many constructors are available in Kotlin?

41

What is the use of abstraction in Kotlin?

37

Give a syntax for declaring a variable as volatile in Kotlin?

16

Can Kotline offer any additional functionality for standard Java packages or standard Java classes?

33

How to compare two strings in Kotlin?

34


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Un-Answered Questions { Kotlin }

What are the features of java has that kotlin does not?

11


How can you handle null exceptions in Kotlin?

14


What is the use of rangeTo() function?

41


Why developers can prefer kotlin over java?

37


How to make a class data class ?

49






What is the difference between Return Type Unit and Return Type Nothing in Kotlin?

29


What is the type of the following Array?, val arr = arrayOf(1, 2, 3);

26


What is the use of function extension ?

64


What are the features available in kotlin but not in java?

30


What are Coroutines?

39


What is the use of abstraction in Kotlin?

37


Does Kotlin support both Explicit conversion and Implicit conversions?

37


Is there any disadvantage of Kotlin ?

37


How to convert a String to an Integer?

55


How to convert a String to an Int in Kotlin?

31