nbness2

public record AnimalImpl(String name, String noise) implements Animal {
    @Override public String getName() { return this.name; }
    @Override public String getNoise() { return this.noise;}
}

public static <T> void also(T thing, Consumer<T> block) {
    final T finalThing = thing;
    block.accept(finalThing);
}

nbness2

interface Animal {
    val name: String
    val noise: String
    fun makeNoise(): String = "$name made a noise: $noise"
}

fun useThing(thing: Any?) {
    if (thing is Animal) {
        println("thing is an animal!! what kind?? ${thing.name}")
        println(thing.makeNoise())

nbness2

public interface Animal {
    String getName();
    String getNoise();
    default String makeNoise() { return getName() + " made a noise: " + getNoise(); }
}

public static void useThing(Object thing) {
    if (thing instanceof Animal animalThing) {
        System.out.println("thing is an animal!! what kind?? " + animalThing.getName());
        System.out.println(animalThing.makeNoise());

nbness2

val random = Random
val positiveInts = 1 .. Int.MAX_VALUE
val negativeInts = -1 downTo Int.MIN_VALUE

val sign = when(val randomNumber = random.nextInt()) {
    in positiveInts -> "positive $randomNumber"
    in negativeInts -> "negative $randomNumber"
    else -> "zero"
}

nbness2

val random = Random
val randomNumber = random.nextInt()
val positiveInts = 1 .. Int.MAX_VALUE
val negativeInts = -1 downTo Int.MIN_VALUE

val sign = when(randomNumber) {
    in positiveInts -> "positive"
    in negativeInts -> "negative"
    else -> "zero"
}

nbness2

val random = Random
val randomNumber = random.nextInt()
val positiveInts = 1 .. Int.MAX_VALUE
val negativeInts = -1 downTo Int.MIN_VALUE
val zero = 0 .. 0

val sign = when {
    randomNumber in positiveInts -> "positive"
    randomNumber in negativeInts -> "negative"
    else -> "zero"

nbness2

val random = Random
val randomNumber = random.nextInt()

val sign = if (randomNumber > 0) {
    "positive"
} else if (randomNumber < 0) {
    "negative"
} else {
    "zero"
}

nbness2

val random = Random()
val randomNumber = random.nextInt()
val message = "Number is {0}"
val sign: String

if (randomNumber > 0) {
    sign = "positive"
} else if (randomNumber < 0) {
    sign = "negative"
} else {

nbness2

var random = new Random();
var randomNumber = random.nextInt();
var message = "Number is {0}";
String sign;

if (randomNumber > 0) {
    sign = "positive";
} else if (randomNumber < 0) {
    sign = "negative";
} else {

nbness2

val Contestant.congratulation: String
    get() = "Congratulations to the winner of the thing: $contestantName!!!"