What is the advantages of Kotlin?

Kotlin is fully compatible with Java Kotlin developers have access to all Java frameworks and libraries while writing more clear and concise code. So, Android engineers can use both languages when building a mobile product as well as migrate their applications from Java to Kotlin.

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What is difference between Java and Kotlin?

Despite all the differences between the two languages, Java and Kotlin are 100% interoperable. … There are many differences in both these languages according to their features. FeaturesKotlinJava8. Operator OverloadingKotlin allows users to provide a way to invoke functionsOperators are tied to particular Java TypesDifference between Java and Kotlin in Android with Examples www.geeksforgeeks.org › difference-between-java-and-kotlin-in-android-…

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What is in and out in Kotlin?

If you ever defined generic in Kotlin, you’ll notice many a times, it would propose to use the in or out keyword to define the generic. It puzzles me at a start on when which is used, and for what. Formally, this is a way to define contravariance and covariant.

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