Kotlin is the preferred language for Android development in 2021. Both Java and Kotlin can be used to build performant, useful applications, but Google’s libraries, tooling, documentation, and learning resources continue to embrace a Kotlin-first approach; making it the better language for Android today.
Read moreIs there a big difference between Java and Kotlin?
Kotlin combines features of both object-oriented and functional programming, whereas Java is limited to object-oriented programming . Kotlin allows users to create an extension function while Java doesn’t offer any extension functions. Kotlin doesn’t offer implicit conversions, and Java supports implicit conversions.
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