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The Java code it generates is not intended for use as actual production code (and is quite poorly suited for that - to begin with, it does not always compile…) - yoleĪs said, in IntelliJ or Android Studio, you just have to do the following to get java code from kotlin: Would be great if you could do kotlin -> Java -> objC - Patrick The goal of the “Decompile” button is to help people understand how the Kotlin compilation works. What’s the point? - yole Consider the j2objC translator. You can build it first! - Eric Cochran Might be easier to teach them to read Kotlin - tim_yates It’s very likely that you will end up with an ugly and unmaintainable Java class which won’t run if you don’t have the Kotlin standard library in the classpath. I’m pretty sure no automated tool has been built for this yet. I have a Kotlin source file, but I want to translate it to Java. Public User(String firstName, String lastName) else if (user.How to convert a kotlin source file to a java source file We'll create a User model object and a Repository singleton class that works with User objects and exposes lists of users and formatted user names.Ĭreate a new file called User.java under app/java/ and paste in the following code: public class User String String lastName Minimum SDK can be of any value, it will not affect the outcome. If you're using Android Studio, create a new project with the No Activity template. If you're using IntelliJ IDEA, create a new Java project with Kotlin/JVM. Note that the auto-converter in future versions of Android Studio might create slightly different results.

Android Studio Bumblebee or IntelliJ IDEA.

You should already be familiar with Java. In doing so you will learn the following Kotlin language features and concepts:

You will learn how to convert Java to Kotlin. Then we'll take a look at the converted code and see how we can improve it by making it more idiomatic and avoid common pitfalls.

We'll start with a couple of Java classes that you'll convert to Kotlin using the IDE. This codelab is suited to any developer that uses Java who is considering migrating their project to Kotlin. You'll also learn what the Kotlin language conventions are and how to ensure that the code you're writing follows them. In this codelab, you'll learn how to convert your code from Java to Kotlin.

Intellij convert java to kotlin