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Introduction to Kotlin - Making Java Platform a Better Place
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Advanced Kotlin - New Features and More
Who's more Functional? Kotlin, Groovy, Scala or Java?
The Kotlin Programming Language
Kotlin - Making the Java Platform a better place - JavaZone
Kotlin on Android
Type-Safe Web with Kotlin
Kotlin vs Java puzzlers
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Kotlin™ is protected under the Kotlin Foundation and licensed under the Apache 2 license.
Supported and developed by JetBrains