Hacker News Reader

It is, however, even in the scope of the "Hello world" app, Kotlin performs much better than Java in terms of bringing out business logic to the front.

And in IntelliJ you just write "psvm" and hit Tab.

Intellij driven development.

Kotlin is more Intellij driven than Java... There is no official support for anything, but IntelliJ.

There is an official plugin for Eclipse.

Always behind InteliJ one, and nothing else for other Java IDEs.

And android studio

Which is a modded IntelliJ ..

> Intellij driven development.

that's a good thing, because intellij massively increases your productivity

This, some people underestimate how good Java/C# IDEs are and how much typing they save. I love how I can select a piece of code and do something like "extract to class" and it will create a new file, create a class there, put the code in the method and add a class method call at the original spot.

Isn't final optional?

Yes. And there are cases where omitting it is specifically useful.