Frequently Asked Questions
Is it better to use basic automatic converters for rewriting Java source files or to program in Kotlin from the scratch?
It depends on the complexity and actual condition of the project, some project will need writing from scratch in Kotlin, and for some refactor to Kotlin will be enough.
What is the best way to convert my Java file to Kotlin?
If you want to do this automatically we recommend to use IntelliJ IDEA or Android Studio where you can navigate to Code menu and then choose Convert Java File to Kotlin File option. Note that newly converted file have no .kt extension.
Is Kotlin better?
If we talk about Android it is true that applications for this platform can be written in several languages and can run on Java virtual machine. Kotlin is one of those languages, it is JVM compatible, and as it was designed to be better than Java with all its superpowers it's hard to find any better language for Android so far.
Is Kotlin Java compatible?
Yes, it's fully interoperable with Java. Kotlin creator put major efforts on making sure that the existing Java codebase can interact properly with Kotlin. Kotlin code can be easily called from Java and Java code from Kotlin.