I won't go too much in details about all Kotlin features ( PDF, HTML), but I would like to highlight the ones I find the most interesting: It runs on top of the JVM (but not only), it is an object oriented language that includes many ideas from functional programming. Kotlin is a language created by JetBrains. This blog post is also an opportunity for me to explain why I find this language interesting, to show you a sample project in detail and to give you some tips. Just in time for Kotlin 1.0 release, we are adding support for Kotlin language to in order to make it easier to start new Spring Boot projects with this language. Public User(String firstName, String lastName) else if (user.Update: a comprehensive Spring Boot + Kotlin tutorial is now available. 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.
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