Kotlin_functions_feedTheFish.kt

Kotlin_functions_feedTheFish.kt

import java.util.*

fun main(args: Array<String>) {
    println("Hello, ${args[0]}!")
    feedTheFish()
}

fun feedTheFish(){
    val day = randomDay() //we call the function here
    val food = fishFood(day)
    println("Today is $day and the fish eat $food")
}

fun randomDay():String {
    val week = listOf("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
    return week[Random().nextInt(7)] //randomly chose index in our list
}

fun fishFood(day: String) :String {
    var food =  "fasting"
    //since EVERYTHING in kotlin has a value, when also has a value. this value will be the last expression of the branch that was picked.asa ca poti sa return direct la when, fara sa mai pui o alta variabila
    //adica nu mai tre sa pui "Monday" -> food = "flakes"
    return when (day) {
        "Monday" -> "flakes"
        "Tuesday" ->  "pellets"
        "Wednesday" ->"redworms"
        "Thursday" ->  "granules"
        "Friday" -> "mosquitoes"
        "Saturday" ->  "lettuce"
        "Sunday" -> "plankton"
        else -> "fasting"
    }
    return food
}