Does Kotlin have a framework?

The top three frameworks reflect the dominant usage of Kotlin for Android and web development , with Kotlin Android Extensions the most popular, just behind that is mockito-kotlin for use with the Mockito mocking framework for unit tests, and then RxKotlin for use with the asynchronous programming library RxJava.15 May 2019

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Why should we use Kotlin?

Safer code : Kotlin has many language features to help you avoid common programming mistakes such as null pointer exceptions. Android apps that contain Kotlin code are 20% less likely to crash. Interoperable: Call Java-based code from Kotlin, or call Kotlin from Java-based code.

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