Kotlin fits seamlessly into the Java ecosystem, since it compiles down to Java bytecode. Several popular frameworks have announced Kotlin support – including Spring, Vert.x, Spark and others.

Kotlin deduced everything else it needed based on the types and names of the arguments. A Kotlin class behaves just like a Java class, but without requiring that we write out the members explicitly.

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 growth has put Kotlin in second place, albeit well behind Java, but now ahead of Clojure and Scala. Oracle JDK – Java Development Kit – is also losing share to OpenJDK alternatives.

Kotlin continues to grow in popularity among Java developers, a new report from Snyk revealed. In its annual JVM ecosystem report it found that Kotlin is now the second most popular JVM language.

Kotlin was designed as a language that expressed many Java idioms cleanly, and bundles in a lot of functionality that Java coders have wished they’d had all along. Java is adding Kotlin features as it ...

Kotlin, a language fully interoperable with Java, is rising in the ranks. Each month, TIOBE Software ranks 100 programming languages by their popularity with the programming community.

But that doesn’t worry this polyglot programmer, who has written books on Java, .NET, Scala, Groovy, JavaScript, and now Kotlin: “Java is steadily moving in the direction of low ceremony and ...

Google I/O: Kotlin, a popular new language for mobile platforms that's compatible with Java, is now officially supported on Android. Written by Steven Vaughan-Nichols, Senior Contributing Editor ...