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Kotlin Interview Questions
Questions Answers Views Company eMail

What is Kotlin?

37

Who is the developer of Kotlin?

41

Does Kotlin allow macros?

64

What is Ranges operator in Kotlin?

45

Explain the use of extension functions

43

Can we migrate code from Java to Kotlin?

60

How can you declare a variable in Kotlin?

27

Tell three most important benefits of using Kotlin?

44

How can you handle null exceptions in Kotlin?

27

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

43

How many constructors are available in Kotlin?

57

What is the use of abstraction in Kotlin?

50

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

39

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

54

How to compare two strings in Kotlin?

61


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Un-Answered Questions { Kotlin }

What is the difference between inline and infix functions? Give an example of each.

204


Is there any Ternary Conditional Operator in Kotlin like in Java?

36


What are different types of constructors in kotlin?

37


What is the type of arguments inside a constructor?

38


Describe the use of extension function?

51






Why you should shift from Java to kotlin?

54


Give example to declare variable using both val and var in Kotlin?

26


What does "Null Safety" mean in Kotlin?

77


What are the types of strings available in kotlin?

27


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

49


How to write string template expression?

63


What is the role of matches() method in regular expression?

32


Can you migrate code from java to kotlin?

39


Which method is used to get array last index?

71


How is kotlin integrated with Gradle?

66