Kotlin Program to Print an Integer (Entered by the User)

import java.util.Scanner

fun main(args: Array<String>) {

    // Creates a reader instance which takes
    // input from standard input - keyboard
    val reader = Scanner(System.`in`)
    print("Enter a number: ")

    // nextInt() reads the next integer from the keyboard
    var integer:Int = reader.nextInt()

    // println() prints the following line to the output screen
    println("You entered: $integer")
}

Output:

Enter a number: 10
You entered: 10