「Kotlin入門」MutableMapの作成サンプル

2020年12月27日

使用例

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fun main() {
val cftMp = mutableMapOf("name" to "A001", 2 to "B002", 3 to "C003")
println(cftMp["name"])
cftMp["name"] = "D004"
println(cftMp["name"])
}
fun main() { val cftMp = mutableMapOf("name" to "A001", 2 to "B002", 3 to "C003") println(cftMp["name"]) cftMp["name"] = "D004" println(cftMp["name"]) }
fun main() {
    val cftMp = mutableMapOf("name" to "A001", 2 to "B002", 3 to "C003")
    println(cftMp["name"])
    cftMp["name"] = "D004"
    println(cftMp["name"])
}

>kotlin sample.jar
A001
D004

Kotlin

Posted by arkgame