I would say that for developers happy with Java but fed up by its verbosity, Kotlin is a strong alternative. Thanks for the tip :). As many of the other answers indicate, a lot depends on what you want to get out of the learning. A common complaint with Scala is slow compilation time, and Kotlin offers compile speeds comparable to Java. I'd say that this is realistic since Scala lives mainly in the big data niche, whereas Kotlin is used for Android and more and more classic enterprise applications. But I think only time and practical experience will really tell. Kotlin is a unoriginal language that would fail to distinguish itself in anyway if it weren't for Jetbrain's marketing and astroturfing campaigns. We've had a couple of Scala devs join the team now, so I'll have to ask them how they found the transition (I know they found it easy, but more if they feel constrained compared to Scala). I'm focused on Swift/Kotlin for the next decade. Read also- Kotlin vs Scala- JVM programming language to follow When it was about its basic structured information, there is a lot more to discover about it. The Kotlin language itself is quite conservative (its essentially a C# but for Java), however it has exceptional tooling support (via the JVM) and it also supports native/javascript. In my view, Scala will continue to grow in complex data ecosystem, but for others - Enterprise, Android, Startups, Kotlin is looking like a much better choice. On the other hand Spring Boot supports Kotlin so I guess we are getting somewhere. I've been working in Scala for 6-7 years now; I'd consider a job in Haskell and would actively seek out one in Idris if anyone's using that yet. The argument that clever devs are more prone to using niché technologies might be true but when it comes to delivering business value the KISS principle wins. It may be hard to develop if it does not have good fundamentals, which there are arguments for in this thread and in links elsewhere that it may well not have. Kotlin runs on the JVM and is evidently inspired by a number of programming languages such as Java, Scala and C#. To start with Kotlin a good understanding of Java is a must.. Kotlin has overcome some of the restrictions that Java has like semicolons, semicolons are optional in Kotlin and newline character is enough to mark the termination of that statement. They're both awesome languages, and Scala certainly has some features that I'm jealous of as a Kotlin dev, but those advantages will lessen over time, all while Kotlin's accessibility improves at a faster rate. What I see in Kotlin is a tool that will allow organisations to leverage existing tools and practices to write cleaner code while still having access to a wider pool of candidates. I think that's what people are liking about Kotlin. Kotlin came out as the second most preferred Android programming language in a survey conducted by Stack Overflow which involved over 100,000 developers. Thanks! Thanks for the help though! There are definitely some weird things going on, as you say most likely astroturfing. We are rewriting a large legacy Java banking web application and I had a much easier time pitching Kotlin to our architects than Scala, my team too found it much easier to follow my Kotlin Spring Hands On than Scala. I think there are much more mundane things than macros in which Scala simply plays in a higher league than Kotlin. There's no question on Java VS Kotlin; use Kotlin. And that's a huge win for me. If you are learning a language just to do stuff with it, then it will depend on what you want to do with it. I believe the IntelliJ tooling is what made the learning curve so easy. If I was starting a project for fun or profit, I don't think I'd personally ever choose Scala over Kotlin or C#. Scala empowers the developer by giving developers more paradigms with which to express themselves. I'm Joe, one of those terrible recruiter folk who fills your inbox. The current implementation of Kotlin/JS targets ES5. Jetbrains IDE tooling will also drive that higher. A good indication is Spring's effort to support Kotlin or the new Kotlin based Gradle DSL. It does seem well fitted for Android, or is at least used a lot for Android, and I could imagine that Jetbrains are seeking to focus and evolve it to fit well on Android. Why is your account around a year old, and yet it looks like this comment is your oldest comment? Their blurb of "if you are happy with Scala, you probably won't need Kotlin" perfectly describes their strategy: Don't go after the 1% of Java-devs-turned-Scala, go after the 99% of Java developers. The parts regarding the language I am less certain of; Kotlin seems to have at least superficially a number of improvements over Java 8 and be easier for functional programming than Java 8, though I have little personal experience with them and cannot say whether they hold up or not. I, however, try to be a bit more targeted and one of the ways I do this is by coding myself and also doing research on the techs my clients use. There are some concerns in Scala community surrounding the introduction of Kotlin.. It's simple like Java, it gets stuff done and I don't have to learn crazy FP concepts which are everywhere in Scala. Both Kotlin and Scala runs on the JVM and compare themselves to Java. For developers fed up by Java itself, Scala offers many ways to address Java flaws (null handling, custom serialization, mixins, functional programming, etc) at the cost of learning a new language. Kotlin/JS provides the ability to transpile your Kotlin code, the Kotlin standard library, and any compatible dependencies to JavaScript. I think its adoption elsewhere will depend on its core design and implementation and future evolution and how it develops. Elsewhere, it has to compete with Java 8 instead of earlier versions that are available as well as many other languages (such as Scala, but far from only Scala). A lot of the other discussion in that thread seems much more sincere and reasonable, and make good arguments. Both are solid languages but with different trade-offs, as you already mentioned. Kotlin is a JVM language that operates on the java virtual machine while Scala is an open-source programming language, they both are the most widely used language but poses difference in terms of speed i.e. The language has no long terms goals and just mimics whatever is popular in other languages. Does Kotlin have any of these? Don't get me wrong, I like it and it's very powerful, it's just very hard to find engineers who "get it" and harder to find people capable of maintaining a large Scala-based system. In the question“What are the best languages that compile to JavaScript? Props to them. Wrap It Up. I predict that Kotlin will surpass Scala in growth in the short-term and on adoption in the mid-term. Kotlin was built with industry engineering in mind. I predict Kotlin 2.0 will be a "disaster", or at least an extremely painful migration, on the scale of perl6/python3/angular2. By using our Services or clicking I agree, you agree to our use of cookies. It’s recently gotten a big boost from Google, which has declared it a first-class language for Android development. Cookies help us deliver our Services. Java is the new Objective-C. It makes you write a lot of boilerplate code. Definitely yes. Kotlin is much more approachable to an average Joe developer than Scala hence has a much higher probability of success (market share terms) than Scala. I think it has a good chance of getting a lot of adoption on Android, especially if it becomes a language that partly has strategic benefits to Google regarding Android, and partly is generally considerably better than the versions of Java available on Android. It's a great language for any JVM platform. The recommended way to use Kotlin/JS is via the kotlin.js and kotlin.multiplatform Gradle plugins. Kotlin is a knife, Scala is a swiss army knife. Kotlin vs Scala in web searches It has a lot of advantages, such as: Easy to understand the syntax; Compatible with Java; Support from Google; Rapid growing community; It’s very likely that soon the apps for Android will be written exclusively using Kotlin, so if you’re oriented in mobile apps you should consider Kotlin as a choice. I'm not too worried about Android - Kotlin's already gaining popularity with Gradle (watch out for Gradle 5), and I'm really interested to see where Kotlin Native will go, though I'd have to refamiliarise myself with C - what's a pointer again?? Kotlin Vs. Scala: The Comparison. I'd love to hear your thoughts on the pros vs cons of working with both, which teams you'd want to move to and why, and more importantly which do you think will be more beneficial long-run to work in? Is Scala a much more powerful tool than Kotlin ? Do you have any examples to which you can link? This gives you the option of using a more modern language. Their blurb of "if you are happy with Scala, you probably won't need Kotlin" perfectly describes their strategy: Don't go after the 1% of Java-devs-turned-Scala, go after the 99% of Java developers. Everyone was happy to make the switch. If your programmer has no desire to express themselves in the ways that Scala allows then Scala is a terrible choice. 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