Kotlin is language developed by JetBrains5 , a company known for building the IntelliJ IDEA, a powerful IDE for Java development. Android Studio, the official Android IDE, is based on IntelliJ. It was initially implemented to run on the Java Virtual Machine.
JetBrains designed Kotlin with Java developers in mind, and with IntelliJ as its primary development IDE. These two factors are breaking points that made Android developers quickly adopt the language.
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