Kotlin problems

Question

For some reason when I use kotlin it doesn't seem to work, here is how I type it:
fun main(args: string=array) {
printIn("Hello World");
}

Answer 1

Mr. Nutshells’ stories
fun main(args: Array<String>) {
println("Welcome to SoloLearn")
}

Answer 2

I think Danijel Ivanović help you

Answer 3

Thank you very much for your generosity!