Practice Time: Constructors and Init

 

// File:            Main.kt
// Programmer:      Engineer Nolverto Urias Obeso
// Creation Date:   06/17/2023
// Email:           nolvertou@gmail.com
// Description:     Practice Time of constructors and init

fun main() {
    // TODO 4: Instead of the list of spices as Strings you used earlier, create a list of Spice objects and give
    //         each object a name and a spiciness level.
    val spiceObject = listOf(   Spice("curry", "mild"),
                                Spice("pepper", "hot"),
                                Spice("cayenne", "medium"),
                                Spice("ginger", "mild"),
                                Spice("red curry", "hot"),
                                Spice("green curry", "medium"),
                                Spice("red pepper", "hot"))

    println("Spicy Level: ${spiceObject[0].heat}")

    // TODO 6: Print a list of spices that are spicy or less than spicy. Hint: Use a filter and the heat property.
    println(spiceObject.filter { it.heat == 3})
    println(spiceObject.filter { it.heat == 1 })
}

// TODO 1: Create a new class, Spice.
// TODO 2: Pass in a mandatory String argument for the name, and a String argument for the level of
//         spiciness where the default value is mild for not spicy.
class Spice(var name: String, var spiciness: String = "mild") {

    // TODO 3: Add a variable, heat, to your class, with a getter that returns a numeric value for each type of spiciness.
    var heat: Int
        get() {
            return when(spiciness){
                "mild"          -> 1
                "medium"        -> 2
                "hot"           -> 3
                "extra hot"     -> 4
                "extremely hot" -> 5
                else            -> 0
            }
        }
        set(value) {heat = value}
    // TODO 5: Add an init block that prints out the values for the object after it has been created. Create a spice.
    init {
        println("name: $name, spiciness = $spiciness")
    }

    // TODO 7: Because salt is a very common spice, create a helper function called makeSalt().
    fun makeSalt(){
        println("Adding Salt")
    }

}

Output:

name: curry, spiciness = mild
name: pepper, spiciness = hot
name: cayenne, spiciness = medium
name: ginger, spiciness = mild
name: red curry, spiciness = hot
name: green curry, spiciness = medium
name: red pepper, spiciness = hot
Spicy Level: 1
[Spice@378fd1ac, Spice@49097b5d, Spice@6e2c634b]
[Spice@37a71e93, Spice@7e6cbb7a]