season.kt

package com.pavlos.efstathiou.seasons

/********************
How to run:
Prerequisites: Have Java installed and the Kotlin compiler
First, execute this command: kotlinc seasons.kt -include-runtime -d seasons.jar
Then this: java -jar seasons.jar
********************/
fun readInts() = readLine()!!.split(' ').map { it.toInt() } // Stolen from https://stackoverflow.com/questions/41283393/reading-console-input-in-kotlin
fun main() {
	println("Enter a month by it's order and I will give you the season that it's in")
    // var month : Int? = 12 // val month : Int? = null
	var (month) = readInts() // Only accepts Integers
	if (month !is Int) println("Are you that dumb I'm asking for an Int is it that difficult to enter an Int")
    when (month) {
        12, 1, 2-> println("Winter")
        in 3..5 -> println("Spring")
        in 6..8 -> println("Summer")
        in 9..11 -> println("Autumn")
        else -> println("Are you serious?")
    }
}