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Question-1. What is Kotlin Native?
Answer-1: Kotlin/Native is a technology for compiling Kotlin code to native binaries without a virtual machine, enabling it to run on iOS, Windows, macOS, and embedded systems.
Question-2. Who developed Kotlin Native?
Answer-2: Kotlin/Native was developed by JetBrains, the same company behind Kotlin.
Question-3. What is the primary use of Kotlin Native?
Answer-3: It is primarily used for cross-platform mobile development, native applications, and embedded systems.
Question-4. Does Kotlin Native require a JVM?
Answer-4: No, Kotlin Native does not require a Java Virtual Machine (JVM). It compiles directly to native binaries.
Question-5. What is the backend compiler for Kotlin Native?
Answer-5: Kotlin Native uses LLVM (Low-Level Virtual Machine) as its backend compiler.
Question-6. Which platforms does Kotlin Native support?
Answer-6: Kotlin Native supports iOS, Windows, Linux, macOS, WebAssembly, and embedded systems.
Question-7. Can Kotlin Native interoperate with C/C++?
Answer-7: Yes, Kotlin Native can interoperate with C and C++ through the C Interoperability feature.
Question-8. What is the file extension for Kotlin Native files?
Answer-8: Kotlin Native uses the standard Kotlin file extension: .kt.
Question-9. How do you declare a variable in Kotlin Native?
Answer-9: val x: Int = 10 or var y: String = "Hello"
Question-10. What is the difference between val and var in Kotlin Native?
Answer-10: val is for immutable variables (cannot be reassigned) while var is for mutable variables.
Question-11. Can Kotlin Native run on iOS devices?
Answer-11: Yes, Kotlin Native can create native iOS applications using Swift/Objective-C interoperability.
Question-12. What is Kotlin Multiplatform?
Answer-12: Kotlin Multiplatform is a feature that allows sharing code between multiple platforms using Kotlin.
Question-13. How do you create a Kotlin Native project in IntelliJ?
Answer-13: By using the Kotlin Multiplatform template or Kotlin Native template in IntelliJ IDEA.
Question-14. Can Kotlin Native use third-party libraries?
Answer-14: Yes, Kotlin Native supports Kotlin Multiplatform Libraries (KLib) or native libraries.
Question-15. What is KLib in Kotlin Native?
Answer-15: KLib (Kotlin Library) is a binary library format used in Kotlin Native to distribute code.
Question-16. How do you build a Kotlin Native application?
Answer-16: By using the Kotlin Native compiler (konanc) or Gradle build system.
Question-17. What is the Kotlin Native Compiler?
Answer-17: The Kotlin Native compiler (konanc) converts Kotlin code to native binary files.
Question-18. How do you run a Kotlin Native application?
Answer-18: By executing the compiled native binary file.
Question-19. What are the key features of Kotlin Native?
Answer-19: No JVM required, Native binaries, Interoperability with C, Cross-platform, Fast compilation.
Question-20. Can Kotlin Native call Swift or Objective-C code?
Answer-20: Yes, Kotlin Native can call Swift or Objective-C code using interoperability.
Question-21. How do you access platform-specific APIs in Kotlin Native?
Answer-21: By using expect/actual declarations in Kotlin Multiplatform.
Question-22. What is the memory management model in Kotlin Native?
Answer-22: Kotlin Native uses Automatic Reference Counting (ARC) for memory management.
Question-23. Can you build desktop applications with Kotlin Native?
Answer-23: Yes, Kotlin Native can build desktop applications for Windows, Linux, and macOS.
Question-24. What is the default build tool for Kotlin Native?
Answer-24: Gradle is the most commonly used build tool for Kotlin Native.
Question-25. Can Kotlin Native be used for game development?
Answer-25: Yes, Kotlin Native can be used for game development, especially with LibGDX or OpenGL.
Question-26. How do you call native C code from Kotlin Native?
Answer-26: By creating C interop files and using @CName annotation.
Question-27. What is the syntax to declare a function in Kotlin Native?
Answer-27: fun add(a: Int, b: Int): Int { return a + b }
Question-28. Can Kotlin Native use Kotlin coroutines?
Answer-28: Yes, Kotlin Native fully supports Kotlin coroutines for asynchronous programming.
Question-29. What is the main advantage of Kotlin Native?
Answer-29: It allows writing native applications without relying on JVM or Android dependencies.
Question-30. Can Kotlin Native target WebAssembly?
Answer-30: Yes, Kotlin Native supports WebAssembly (Wasm) for browser-based applications.
Question-31. What is the output file type for Kotlin Native?
Answer-31: It generates native binary executables like .exe, .dmg, or .app.
Question-32. What is the Kotlin Native runtime?
Answer-32: It is a small runtime that provides platform-specific functionality like threading, memory management, and concurrency.
Question-33. What is Native Shared Library in Kotlin Native?
Answer-33: A shared library (.dll, .so) that can be used by other programming languages.
Question-34. How do you create a Kotlin Native library?
Answer-34: By using KLib format and exporting the library.
Question-35. Can Kotlin Native applications be deployed to the App Store?
Answer-35: Yes, Kotlin Native applications for iOS can be deployed to the App Store.
Question-36. What is the default entry point for Kotlin Native applications?
Answer-36: The main() function is the entry point. Example: fun main() { println("Hello, Kotlin Native") }
Question-37. Can you use Java libraries in Kotlin Native?
Answer-37: No, Kotlin Native does not support Java libraries since it does not use JVM.
Question-38. What is kotlinx.cinterop in Kotlin Native?
Answer-38: It is a Kotlin library that helps in interoperability with C libraries.
Question-39. What is the benefit of using Kotlin Native with Swift?
Answer-39: Kotlin Native allows shared business logic between iOS and Android without writing Swift.
Question-40. Can Kotlin Native call C++ code?
Answer-40: Direct C++ interoperability is not supported, but you can call C++ via C headers.
Question-41. Is there garbage collection in Kotlin Native?
Answer-41: No, Kotlin Native uses Automatic Reference Counting (ARC) instead of garbage collection.
Question-42. Can you deploy Kotlin Native applications on Android?
Answer-42: Kotlin Native is not primarily designed for Android. For Android, Kotlin/JVM is recommended.
Question-43. What is the main difference between Kotlin Native and Kotlin JVM?
Answer-43: Kotlin JVM runs on JVM, while Kotlin Native compiles directly to machine code.
Question-44. Can Kotlin Native create web applications?
Answer-44: Yes, by targeting WebAssembly (Wasm).
Question-45. What is a Gradle Kotlin DSL?
Answer-45: It is a Kotlin-based scripting language for building Kotlin projects using Gradle.
Question-46. What is the purpose of the cinterop tool in Kotlin Native?
Answer-46: It is used to generate Kotlin bindings from C headers for native interoperability.
Question-47. Can you use Kotlin Native with Docker?
Answer-47: Yes, Kotlin Native can generate native binaries which can be deployed using Docker.
Question-48. How do you cross-compile Kotlin Native applications?
Answer-48: By using Kotlin Multiplatform plugin with different targets (iOS, Windows, macOS, etc.).
Question-49. Can Kotlin Native run on Raspberry Pi?
Answer-49: Yes, Kotlin Native can generate ARM binaries for Raspberry Pi.
Question-50. What is the future of Kotlin Native?
Answer-50: Kotlin Native is rapidly growing and is widely used for Kotlin Multiplatform Mobile (KMM).
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