목록Kotlin (32)

달나라 노트

Kotlin - minOrNull, maxOrNull

Original source = play.kotlinlang.org/byExample/01_introduction/01_Hello%20world fun main() { var list_numbers = listOf(1, 2, -10, 5, 12) // 1 var var_max = list_numbers.maxOrNull() // 2 println(var_max) var var_min = list_numbers.minOrNull() // 3 println(var_min) var list_empty = emptyList() // 4 var var_max_empty = list_empty.maxOrNull() // 4 println(var_max_empty) var var_min_empty = list_emp..
Kotlin 2021. 3. 16. 00:40
Kotlin - partition

Original source = play.kotlinlang.org/byExample/01_introduction/01_Hello%20world fun main() { var list_fruit = listOf("Apple", "PineApple", "Red_Strawberry", "Red_Apple", "Yellow_Banana", "Yellow_Yellowmelon") // 1 var var_part = list_fruit.partition() {x -> x.contains("Apple")} // 2 println(var_part) // 3 println(var_part.first) // 4 println(var_part.second) // 5 var (var_apple, var_not_apple) ..
Kotlin 2021. 3. 16. 00:34
Kotlin - sorted, sortedDescending, sortedWith

Original source = play.kotlinlang.org/byExample/01_introduction/01_Hello%20world fun main() { var list_numbers = listOf(1, -1, 2, -2, 3, -3) var list_sorted = list_numbers.sorted() println(list_sorted) var list_sort_desc = list_numbers.sortedDescending() println(list_sort_desc) } -- Result [-3, -2, -1, 1, 2, 3] [3, 2, 1, -1, -2, -3] sorted 함수는 list를 오름차순으로 정렬합니다. sortedDescending 함수는 list를 내림차순으..
Kotlin 2021. 3. 16. 00:24
Kotlin - count

Original source = play.kotlinlang.org/byExample/01_introduction/01_Hello%20world fun main() { var list_fruit = listOf("Apple", "PineApple", "Red_Strawberry", "Red_Apple", "Yellow_Banana", "Yellow_Yellowmelon") // 1 var var_element_cnt = list_fruit.count() // 2 println(var_element_cnt) var var_element_cnt2 = list_fruit.count() {x -> x.contains("Apple")} // 3 println(var_element_cnt2) } -- Result ..
Kotlin 2021. 3. 16. 00:12
Prev 1 2 3 4 5 6 7 8 Next