JetBrains doesn’t profit directly from Kotlin’s use among developers, but the company hopes to make money from their future Kotlin-supporting core products . In 2017 Google IO, Google announced Kotlin as an officially supported language for Android. Since then humongous popularity of Kotlin increases day by day.
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How much does it cost to get a Kotlin certification? The Associate Android Developer Certification in Kotlin exam costs $149 to take (you can also take the Java version of the exam).
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