About kotlin

Question

Why do we use args:Array<String> inside fun main()

Answer 1

Because of this question, I added this lesson to my series on Kotlin.
https://www.sololearn.com/post/454740

Answer 2

Kotlin version 1.3 removes the need to have the parameter. It's purpose is to access the command line arguments your program was run with. Say you write a simple program that takes any number and state if it was even or odd. You could test args size for greater than 1. If it fails, read the number. Otherwise, the number is args[1]. The program name is args[0]. Running like: test 5, would process 5, while: test, would read a number. Each space separated string off the command fills in the various args elements so args[0] would be test.

Answer 3

This argument used to show the main method inside class like
class m{
companion object {
@JvmStatic
fun main(arg: Array<String>){
//ur code goes here
}
}
}
But if u are using only function like
fun main(){} outside the class or object it is usless to put arg: Array<String>