How Kotlin and Android work together
The Android Software Development Kit (SDK) is largely written in Java, because Kotlin is the new kid on the block; but when we tell Android Studio to turn our Kotlin code into a working app, it is merged together with the Java from the SDK in an intermediate form before being converted into a format called DEX code, which the Android device uses to convert into a running app. This is seamless to us as developers, but it is worth knowing (and, perhaps, is quite interesting) to know what is going on behind the scenes.
Whether you have programmed your app in Kotlin or Java, the resulting DEX code is the same. However, there are some significant advantages to working with Kotlin.
Kotlin is named after an island near ...
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