Is Kotlin code the same as Java?

Despite all the differences between the two languages, Java and Kotlin are 100% interoperable. You can call Kotlin code from Java, and you can call Java code from Kotlin. So it’s possible to have Kotlin and Java classes side-by-side within the same project, and everything will still compile.27 May 2020

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Is it better to use Java or Kotlin?

Kotlin is the preferred language for Android development in 2021 . Both Java and Kotlin can be used to build performant, useful applications, but Google’s libraries, tooling, documentation, and learning resources continue to embrace a Kotlin-first approach; making it the better language for Android today.

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