Frequently asked questions and answers of Kotlin Multiplatform in Programming Technologies of Computer Science to enhance your skills, knowledge on the selected topic. We have compiled the best Kotlin Multiplatform Interview question and answer, trivia quiz, mcq questions, viva question, quizzes to prepare. Download Kotlin Multiplatform FAQs in PDF form online for academic course, jobs preparations and for certification exams .
Intervew Quizz is an online portal with frequently asked interview, viva and trivia questions and answers on various subjects, topics of kids, school, engineering students, medical aspirants, business management academics and software professionals.
Question-1. What is Kotlin Multiplatform (KMM)?
Answer-1: Kotlin Multiplatform (KMM) is a cross-platform development technology that allows developers to share business logic code across multiple platforms like Android, iOS, Web, Desktop, and Backend.
Question-2. Who developed Kotlin Multiplatform?
Answer-2: Kotlin Multiplatform was developed by JetBrains, the same company that created the Kotlin language.
Question-3. What is the main advantage of Kotlin Multiplatform?
Answer-3: It allows writing shared business logic code in Kotlin and reuse it across Android, iOS, and other platforms, reducing development time.
Question-4. Does Kotlin Multiplatform use JVM?
Answer-4: Yes, it uses JVM (Java Virtual Machine) for Android development but can compile natively for iOS and other platforms.
Question-5. Can Kotlin Multiplatform create native iOS applications?
Answer-5: Yes, Kotlin Multiplatform can create native iOS applications using Kotlin/Native.
Question-6. What is Kotlin/Native in Kotlin Multiplatform?
Answer-6: Kotlin/Native is a part of Kotlin Multiplatform that compiles Kotlin code to native binaries without using JVM.
Question-7. What is the main goal of Kotlin Multiplatform?
Answer-7: The main goal is to share code (business logic) between platforms while allowing separate UI development for each platform.
Question-8. What are the main targets of Kotlin Multiplatform?
Answer-8: Android, iOS, Web, Desktop (Windows, macOS, Linux), and Backend (Ktor, Spring Boot).
Question-9. How do you start a Kotlin Multiplatform project?
Answer-9: By using IntelliJ IDEA or Android Studio with Kotlin Multiplatform template.
Question-10. What is a common module in Kotlin Multiplatform?
Answer-10: It contains shared business logic code like network requests, database logic, etc., that can be reused.
Question-11. What are platform-specific modules in Kotlin Multiplatform?
Answer-11: These are platform-dependent modules like Android, iOS, JVM, JS, Desktop, etc., for platform-specific code.
Question-12. What is the role of expect and actual in Kotlin Multiplatform?
Answer-12: expect defines platform-agnostic functions, while actual provides platform-specific implementations.
Question-13. Can you use Swift/Objective-C code in Kotlin Multiplatform for iOS?
Answer-13: Yes, Kotlin Multiplatform supports Swift/Objective-C interoperability using Kotlin/Native.
Question-14. How do you define a Kotlin Multiplatform project in Gradle?
Answer-14: By using the kotlin-multiplatform plugin in build.gradle.kts.
Question-15. Can Kotlin Multiplatform be used for web applications?
Answer-15: Yes, Kotlin Multiplatform can target JavaScript (JS) using Kotlin/JS.
Question-16. Can Kotlin Multiplatform be used for desktop applications?
Answer-16: Yes, it supports Windows, macOS, and Linux using Kotlin/JVM or Kotlin/Native.
Question-17. What is the build tool commonly used for Kotlin Multiplatform?
Answer-17: Gradle is the primary build tool for Kotlin Multiplatform projects.
Question-18. Can Kotlin Multiplatform use third-party libraries?
Answer-18: Yes, it can use Kotlin Multiplatform Libraries (KLib) and native libraries.
Question-19. What is the purpose of Kotlin Multiplatform Mobile (KMM)?
Answer-19: KMM is a subset of Kotlin Multiplatform focused on building Android and iOS apps with shared code.
Question-20. Can you create a shared database in Kotlin Multiplatform?
Answer-20: Yes, you can use libraries like SQLDelight or Ktor Client for shared database access.
Question-21. What is Kotlin Multiplatform Project Structure?
Answer-21: It has commonMain (shared code), androidMain, iosMain, and platform-specific modules.
Question-22. How do you manage dependencies in Kotlin Multiplatform?
Answer-22: Dependencies are managed through Gradle and declared in the build.gradle.kts file.
Question-23. Can you use Dagger or Hilt in Kotlin Multiplatform?
Answer-23: Yes, you can use dependency injection like Dagger or Koin but only in the Android module.
Question-24. What is Kotlin Multiplatform's target for Web?
Answer-24: Kotlin Multiplatform can target JavaScript (Kotlin/JS) or WebAssembly (Wasm).
Question-25. What is kotlinx.serialization in Kotlin Multiplatform?
Answer-25: It is a Kotlin library for parsing and serializing JSON or other data formats across platforms.
Question-26. What is Kotlin Multiplatform Gradle Plugin?
Answer-26: It is a Gradle plugin (kotlin-multiplatform) that allows building cross-platform Kotlin projects.
Question-27. Can Kotlin Multiplatform use native Android libraries?
Answer-27: Yes, the Android module can use native Android libraries like Retrofit, Room, etc.
Question-28. Can you share the UI code in Kotlin Multiplatform?
Answer-28: No, Kotlin Multiplatform is designed to share business logic, not UI code.
Question-29. What is Kotlinx-datetime in Kotlin Multiplatform?
Answer-29: It is a Kotlin library for working with dates and times across platforms.
Question-30. How do you call platform-specific APIs in Kotlin Multiplatform?
Answer-30: By using expect/actual or by writing platform-specific implementations.
Question-31. What is the output of Kotlin Multiplatform?
Answer-31: Native binaries, Android APKs, iOS Apps, WebAssembly, or JavaScript files.
Question-32. Can you use Jetpack Compose with Kotlin Multiplatform?
Answer-32: Yes, Jetpack Compose Multiplatform allows building UI for Android, iOS, and Desktop.
Question-33. What is Kotlin/JS in Kotlin Multiplatform?
Answer-33: Kotlin/JS allows compiling Kotlin code to JavaScript for web applications.
Question-34. Can Kotlin Multiplatform build cross-platform games?
Answer-34: Yes, using game engines like LibGDX or OpenGL.
Question-35. Can you deploy Kotlin Multiplatform on the App Store?
Answer-35: Yes, you can deploy iOS apps using Kotlin/Native.
Question-36. What is Kotlin Multiplatform's memory management model?
Answer-36: Automatic Reference Counting (ARC) for iOS and Garbage Collection (GC) for JVM.
Question-37. Can Kotlin Multiplatform share API calls across platforms?
Answer-37: Yes, using Ktor Client or any shared HTTP client.
Question-38. Is Kotlin Multiplatform free and open-source?
Answer-38: Yes, Kotlin Multiplatform is open-source under the Apache 2.0 license.
Question-39. What is a KMP target in Kotlin Multiplatform?
Answer-39: A target is a platform (Android, iOS, JVM, etc.) where the app will run.
Question-40. Can Kotlin Multiplatform generate IPA files?
Answer-40: Yes, it can generate iOS IPA files using Kotlin/Native.
Question-41. Is Kotlin Multiplatform better than Flutter?
Answer-41: Kotlin Multiplatform is better for business logic sharing, but Flutter is better for shared UI.
Question-42. What IDE supports Kotlin Multiplatform?
Answer-42: IntelliJ IDEA, Android Studio, and AppCode.
Question-43. Can you test Kotlin Multiplatform projects?
Answer-43: Yes, using JUnit, Ktor, or Kotlin Test Library.
Question-44. Can Kotlin Multiplatform use native C/C++ code?
Answer-44: Yes, using Kotlin/Native?s C Interoperability.
Question-45. What is Compose Multiplatform?
Answer-45: It is Jetpack Compose adapted for Kotlin Multiplatform (KMP).
Question-46. Can Kotlin Multiplatform create Desktop apps?
Answer-46: Yes, Kotlin/Native can build Windows, Linux, and macOS desktop applications.
Question-47. Can Kotlin Multiplatform access Bluetooth, GPS, and Camera?
Answer-47: Yes, by writing platform-specific code using expect/actual.
Question-48. Is Kotlin Multiplatform production-ready?
Answer-48: Yes, it is already used by major companies like Netflix, VMware, etc.
Question-49. Can Kotlin Multiplatform deploy on Play Store and App Store?
Answer-49: Yes, you can deploy on both stores using Android (JVM) and iOS (Native).
Question-50. What is the future of Kotlin Multiplatform?
Answer-50: Kotlin Multiplatform is rapidly evolving and expected to become the future of cross-platform development.
Frequently Asked Question and Answer on Kotlin Multiplatform
Kotlin Multiplatform Interview Questions and Answers in PDF form Online
Kotlin Multiplatform Questions with Answers
Kotlin Multiplatform Trivia MCQ Quiz
