Depends on what you mean by "learning a lanuage". You can probably learn the syntax, and to build and run your application in a couple of days. Learning the "e

Depends on what you mean by "learning a lanuage". You can probably learn the syntax, and to build and run your application in a couple of days. Learning the "ecosystem" of Java I think is another matter. Installing the Eclipse-plugin which includes the Kotlin compiler, creating and running a "hello World" takes only a few minutes (I just did that).