「Kotlin入門」when式in演算子を使うサンプル

2020年11月6日

構文
when {
文字列A in セット->xxx
文字列B in セット->xxxx
}
サンプルコード

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fun main(args: Array<String>) {
val items = setOf("apple", "banana", "pear")
when {
"orange" in items -> println("AA01")
"apple" in items -> println("BB02")
}
}
fun main(args: Array<String>) { val items = setOf("apple", "banana", "pear") when { "orange" in items -> println("AA01") "apple" in items -> println("BB02") } }
fun main(args: Array<String>) {
    val items = setOf("apple", "banana", "pear")
    when {
        "orange" in items -> println("AA01")
        "apple" in items -> println("BB02")
    }
}

結果:
BB02

Kotlin

Posted by arkgame