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Thanks, so it is not the kind of language I can learn the basic for fun in a weekend.

• SNvD7vEJ 10y ago
  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).
• norswap 10y ago
  It depends, what is your background? Java is a run-the-mill object oriented language. If you've used any OO language with dynamic dispatch, you're immediately set 90% of the way to fluency. The tricky part is the generic part of the type system, the part with the `? extends` and `? super` annotations.