Kotlin: Collection Literals Cheat Sheet

listOf(1,2,3,4) - List

mutableListOf(1,2,3,4) - MutableList

setOf("A", "B", "C") - Set

mutableSetOf("A", "B", "C") - MutableSet

arrayOf('a', 'b', 'c') - Array

mapOf(1 to "A", 2 to "B") - Map

mutableMapOf(1 to "A", 2 to "B") - MutableMap

sequenceOf(4,3,2,1) - Sequence

1 to "A" - Pair

List(4) { it * 2 } - List

generateSequence(4) { it + 2 } - Sequence

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