Kotlin for Java developers

Incorporate and convert Java code into Kotlin using Android Studio

 

Converting to Kotlin

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Learn Kotlin language conventions as you convert Java code to Kotlin

Add Kotlin to an existing app

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Add Kotlin files to your existing project and convert Java language code to Kotlin

Java-friendly Kotlin

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Write or adapt your Kotlin code to make it callable from Java code

Kotlin-Java interop guide

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A set of rules for authoring public APIs in Java and Kotlin