Java has long dominated the Android app development market and was the only Android programming language recommended by Google for more than a decade. However, the upstart language Kotlin has ...

In 2025, Java continues to be a reliable and well-supported option for mobile app developers, particularly those targeting the Android ecosystem.

Just the way Swift ensured the death of Objective C language in the past, today, Kotlin is all set to push out Java from the Android app development ecosystem.

Which one should you choose between Kotlin Vs Java, the only officially supported Android app development languages? Here's a comparison.

JetBrains' new JVM language Kotlin promises not only to simplify Java stack-based, server-side development, but also client-side Android development.

Kotlin is a modern alternative to Java that supports functional programming in the JVM. Here's a first look at programming with Kotlin using some of the concepts and syntax you already know from Java.

The official language for Android development is Java but it isn't the only language you can use to develop Android apps.

In Java terms, Kotlin classes are final by default. Default public members and default final classes could be interpreted as subtle encouragement to prefer composition over inheritance.

This means developers can take existing code and easily build new features or replace Java code in pieces. Since Kotlin is dependent on Java, it means both languages will continue to be supported.