Kotlin - basic types and variables - Being a Variable - Array、型、whileループ

Head First Kotlin
A Brain-Friendly Guide
楽天ブックス(Kobo) 紀伊國屋書店(Kinoppy)

開発環境

• macOS Mojave - Apple (OS)
• Windows 10 Pro (OS)
• IntelliJ IDEA CE(Community Edition) (IDE(統合開発環境))
• Kotlin (プログラミング言語)

Head First Kotlin: A Brain-Friendly Guide (Dawn Griffiths(著)、David Griffiths(著)、O'Reilly Media)のChapter 2(basic types and variables - Being a Variable)、Code Magnets(53)の解答を求めてみる。

コード

fun main() {
    val fruit = arrayOf("Apple", "Banana", "Cherry", "Blueberry", "Pomegranate")
    var index = arrayOf(1, 3, 4, 2)
    var x = 0
    var y: Int

    while (x < 4) {
        y = index[x]
        println("Fruit = ${fruit[y]}")
        x += 1
    }
}

入出力結果

Fruit = Banana
Fruit = Blueberry
Fruit = Pomegranate
Fruit = Cherry

Process finished with exit code 0