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?

270

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

346

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

179

What is the Elvis Operator?

198

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

209

What is the difference between val and var?

239

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

200

What kinds of programming does Kotlin support ?

172

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

241

What is init block in Kotlin?

268

How are Primary Constructors different from Secondary Constructors ?

188

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

296

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

261

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

322

How do you realize Ternary Conditional Operator in Kotlin ?

226

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Un-Answered Questions { Kotlin }

What are the major features of Kotlin?

266

How to declare variables in Kotlin?

239

What is Kotlin’s target platform? Is Java-kotlin interoperability possible?

227

What is the difference between == and === operators in Kotlin?

224

Does Kotlin support primitive datatypes as like in Java?

258

What are the data classes in Kotlin? How are they defined?

205

What is the difference between Val and var declaration?

227

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

176

Name the extension methods Kotlin provides to java.io.File?

195

Explain Higher-Order Functions?

307

What is the difference between val and var?

239

List of extension methods kotlin provides to java.io.file?

205

What is Range in Kotlin?

217

How many constructors are available in Kotlin?

220

Is kotlin strongly typed?

245

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