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seoft/createList1.kt

Last active January 17, 2020 14:12
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createList1.kt
val list1 = listOf<Int>(1, 2, 3)
val list2 = listOf<Int>(7, 8, 9)
val resultList1 = mutableListOf<Int>().apply {
addAll(list1)
add(4)
add(5)
add(6)
addAll(list2)
}.toList() // [1, 2, 3, 4, 5, 6, 7, 8, 9]
Raw
createList2.kt
val list1 = listOf<Int>(1, 2, 3)
val list2 = listOf<Int>(7, 8, 9)
val resultList2 = listOf(*list1.toTypedArray(), 4, 5, 6, *list2.toTypedArray()) // [1, 2, 3, 4, 5, 6, 7, 8, 9]
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