Kotlin - basic types and variables - Being a Variable - Array、References

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)、Mixed References(54)の解答を求めてみる。

コード

fun main() {
    val x = arrayOf(0, 1, 2, 3, 4)
    x[3] = x[2]
    x[4] = x[0]
    x[2] = x[1]
    x[1] = x[0]
    x[0] = x[1]
    x[4] = x[3]
    x[3] = x[2]
    x[2] = x[4]

    val y = arrayOf(0, 0, 2, 1, 2)

    var i = 0
    while (i < 5) {
        println(x[i] == y[i])
        i += 1
    }
}

入出力結果

true
true
true
true
true

Process finished with exit code 0