Kotlin Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Kotlin Interview Questions

Questions Answers Views Company eMail

Does Kotlin support both Explicit conversion and Implicit conversions?

254

How does string interpolation work in Kotlin? Explain with a code snippet?

331

How many types of constructors are there ? What are they ?

173

What is the Elvis Operator?

187

Does Kotlin have the static keyword? How to create static methods in Kotlin?

200

What is the difference between val and var?

233

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

191

What kinds of programming does Kotlin support ?

163

Which is the default modifier for a method, variable, class?

228

What is init block in Kotlin?

251

How are Primary Constructors different from Secondary Constructors ?

181

What is the type of arguments inside a constructor? Why do you think they are val unless explicitly set to var?

289

How is a function declared? Why are Kotlin functions known as top-level functions?

254

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

312

How do you realize Ternary Conditional Operator in Kotlin ?

219

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Un-Answered Questions { Kotlin }

What are the different types of constructors in Kotlin?

231

What is the type of arguments inside a constructor?

178

What is the difference between declaration variable using val or var in kotlin?

157

How to declare an initialization block in kotlin class?

243

What are Data classes ? Aren’t they available in Java ?

183

What is the difference between const vs val?

197

What is the difference between object { } block and companion object { } code block in Kotlin?

191

How are Primary Constructors different from Secondary Constructors ?

181

Does Kotlin support primitive Datatypes?

176

what operator is used to handle null exceptions in Kotlin?

226

How do you differentiate var and val in Kotin?

255

Who is the developer of Kotlin?

202

What are Coroutines?

303

Can you execute Kotlin code without JVM?

1011

Does Kotlin allow macros?

332

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