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Your project will probably not compile now, because of differences in how java and kotlin handles nullability.

kt files in-place, leaving them in src/main/java.

How can I convert my Java project to Kotlin?Īndroid studio will then try as best as it can to convert all your java-code to kotlin-code. And makes Kotlin 100% interoperable with Java. Which is exactly equivalent to the byte code which is generated by Java compiler. So just like Java’s compiler, Kotlin compiler also creates a byte code and that byte code can run on JVM. You can then use all of Android Studio’s existing tools with your Kotlin code, including autocomplete, lint checking, refactoring, debugging, and more.Īs we all know Kotlin is JVM based language just like Java. Can we use Java and Kotlin in same Android project?Īndroid Studio provides full support for Kotlin, enabing you to add Kotlin files to your existing project and convert Java language code to Kotlin.