Hear this out loudPauseIt’s unlikely that Android will stop supporting Java any time soon. Kotlin’s core purpose is interoperability. There are no wrappers or adapter layers involved in using Kotlin code without the need for you to do any rewriting by hand. Kotlin compiles to the exact same bytecode and making it interoperable in the JVM or on Android. Hear this out loudPauseKotlin is 100% compatible with existing Java code. You can use it to a code Back-end server, Andriod Apps or even iOS app using Kotlin Native. It is focused on interoperability, safety, clarity, and tooling support. Hear this out loudPauseFor example, you can easily use JAVA libraries in Kotlin’s project, but Kotlin gives you more out of the box. Kotlin provides Java language interoperability.Ĭan I use Java and Kotlin in same project? Hear this out loudPauseCan I call Android or other Java language library APIs from Kotlin? Yes. Or, create a new Kotlin file (File > New > Kotlin File/Class), and then paste your Java code into that file-when prompted, click Yes to convert the code to Kotlin. It’s pretty straight forward, but in Kotlin there are a few different ways to solve the problem of defining a logger.Hear this out loudPauseIn Android Studio 3.0, open a Java file and select Code > Convert Java File to Kotlin File. In Java, having a static property for something like a Logger is a very common use case. It was our first Kotlin migration and getting to know the Kotlin language better was/is a lot of fun, but also confusing at times. While doing so we’ve learned quite a few things along the way and I created some notes that I wanted to share in case somebody else runs into the same issues. Development Migrating a Spring Boot service from Java 11 to KotlinĪt my current project we’ve just finished migrating a Spring Boot 2.1.x service from Java 11 to Kotlin.
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