Kotlin Basics & Fundamentals
16+ curated interview questions.
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Kotlin interview questions and answers for beginners to advanced candidates.
Total questions
81+
Theory · MCQs · coding
Sets & tracks
5+
Structured for revision
Topics covered
39+
In-depth roadmap

16+ curated interview questions.
16+ curated interview questions.
17+ curated interview questions.
16+ curated interview questions.
16+ curated interview questions.
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What is Kotlin?
What is the difference between val and var in Kotlin?
What does the ? operator mean in Kotlin type declarations?
How do you insert a variable into a string in Kotlin?
What is type inference in Kotlin?
What does the ?: (Elvis operator) do in Kotlin?
What happens when you use the ?. (safe call) operator on a null object?
What does the !! (not-null assertion) operator do and when should you use it?
What are the main advantages of Kotlin over Java?
Explain the difference between val and var with examples and when to use each.
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