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Kotlin for Java developers

Google via Independent


This course teaches learners how to convert Java code to Kotlin, add Kotlin to existing projects, make Kotlin code callable from Java, and create public APIs in both Java and Kotlin. The course aims to help Java developers transition to using Kotlin effectively.


  • Converting to Kotlin
    • Learn Kotlin language conventions as you convert Java code to Kotlin
  • Add Kotlin to an existing app
    • Add Kotlin files to your existing project and convert Java language code to Kotlin
  • Java-friendly Kotlin
    • Write or adapt your Kotlin code to make it callable from Java code
  • Kotlin-Java interop guide
    • A set of rules for authoring public APIs in Java and Kotlin


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