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?

266

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

344

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

179

What is the Elvis Operator?

197

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

208

What is the difference between val and var?

238

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

197

What kinds of programming does Kotlin support ?

171

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

236

What is init block in Kotlin?

265

How are Primary Constructors different from Secondary Constructors ?

185

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

293

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

258

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

322

How do you realize Ternary Conditional Operator in Kotlin ?

225

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Un-Answered Questions { Kotlin }

Can you migrate the code from java to kotlin?

184

What is lateinit modifier?

225

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

198

How do you differentiate var and val in Kotin?

262

Can we create uninitialized array in kotlin?

209

Which method is used to get array last index?

262

What are High-Level Functions in Kotlin?

261

Can you tell me what kinds of programming types does Kotlin support?

180

What is the equivalent of switch expression in Kotlin? How does it differ from switch?

363

State the advantages and disadvantages of kotlin?

235

Does Kotlin support primitive datatypes as like in Java?

255

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

195

Mention few features that Kotlin provides but not java ?

381

Define when expression?

181

What are the requirements of an infix function?

191

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