rail-rate

fun main(args: Array<String>){
    println("Hello, world!")
}

rail-rate

/**
 * We declare a package-level function main which returns Unit and takes
 * an Array of strings as a parameter. Note that semicolons are optional.
 */

fun main(args: Array<String>) {
    println("Hello, world!")
}

rail-rate

fun main(args: Array<String>) {
    val greet : String = "Hello, world!"
    println(greet)
}

rail-rate

fun main(args: Array<String>) {
    val greet = "Hello, world!"
    println(greet)
}

rail-rate

fun main(args: Array<String>) {
    val greet = "Hello, world!"
    println(greet)
    println(greet)
    println(greet)
}

rail-rate

fun main(args: Array<String>) {
    println("Hello, world!")
    println("Hello, world!")
    println("Hello, world!")
}

rail-rate

fun main(args: Array<String>) {
    
    val number1 : Int = 100000000
    println(number1)
    
    val number2 : Long = 2000000000
    println(number2)
    
    val number3 : Short = 30000
    println(number3)

rail-rate

fun main(args: Array<String>) {
    
    val number1 = 100000000
    println(number1)
    
    val number2 = 2000000000
    println(number2)
    
    val number3 = 30000
    println(number3)

rail-rate

fun main(args: Array<String>) {
    
    val number1 : Double = 1.234
    println(number1)
    
    val number2 : Float = 1.234f
    println(number2)
    
}

rail-rate

fun main(args: Array<String>) {
    
    val number1 : Double = 1.23456789
    println(number1)
    
    val number2 : Float = 1.23456789f
    println(number2)
    
}