728x90 map1 코틀린 map package map fun main() { val map1 = mapOf("key1" to 10,"key2" to 20,"key" to 30) println("map1 = ${map1}") val map2 = mutableMapOf() println("map2 = ${map2}") val map3 = mutableMapOf("key1" to 10,"key" to 11.11) println("map3 = ${map3}") println("map1.get(\"key1\") = ${map1.get("key1")}") println("map1[\"key2\"] = ${map1["key2"]}") println("map1.size = ${map1.size}") println("map1.keys = ${map1... 2022. 5. 26. 이전 1 다음 728x90