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.

First, Kotlin performance using DoubleArray is clearly superior to Kotlin performance using Array<Double>, which is clearly superior to that of Java using the wrapper class Double.

A Kotlin file can contain multiple/mix of class declarations, functions and other constructs like enum classes. This opens up a lot of possibilities not available in Java.

Java has been a programming stalwart since its inception in 1995, and remains one of the most popular languages for web applications and big data processing, however, Kotlin, a relatively new kid ...

The appeal of Kotlin among Android developers is straightforward: It's a statically typed language -- similar to Scala, Gosu, Ceylon and Fantom -- which compiles to both JVM byte code and JavaScript.

The number of applications built using Kotlin has grown by 125 percent. The explosive growth has come since Google officially made Kotlin a first-class language for writing Android apps, announced at ...

Java still holds a large majority, with 86.9% of developers saying they use it as their main programming language for building JVM applications, compared to 5.5% with Kotlin.

Java is one of the top three programming languages, thanks to its dominance in enterprise applications, while Kotlin is a less popular but still top 20 programming language. Meta's switch away ...