Kotlin is a marvelous alternative language for the JVM, aiming to improve usability of aging Java. While not exactly new, it has been quickly gaining adoption since its 1.0 release in 2016. Anton will give a brief introduction and present Puzzlers of Kotlin — the gotchas that you may encounter while digging deeper into the language. While Kotlin was in development for 6 years, and aimed to be a perfect practical language, like all other languages, it still has tricky parts that you don't find in the documentation.
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