Kotlin Programming Interview Questions and Answers

Kotlin is a general purpose statically typed programming language. It runs on the Java virtual machine (JVM) and also can be compiled to JavaScript source code or use the LLVM compiler infrastructure.  Kotlin compiles to both JavaScript and soon machine code. Kotlin is developed by JetBrains. While the syntax is not compatible with Java, Kotlin is designed to interoperate with Java code and is reliant on Java code from the existing Java Class Library, such as the collections framework. Kotlin uses aggressive type inference to determine the type of values and expressions for which type has been left unstated. This reduces language verbosity relative to Java, which demands often entirely redundant type specifications.

Kotlin was recently announced as a new official Android language.  Kotlin runs on the JVM and can be used to develop Android apps. Android Studio 3.0 Kotlin is a fully supported programming language on Android and lets the user choose between targeting Java 6- or Java 8-compatible bytecode.  Current version is Kotlin v 1.3.20 was released on January 23, 2019.

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