Tutorial by Examples

// Create a new read-only List<String> val list = listOf("Item 1", "Item 2", "Item 3") println(list) // prints "[Item 1, Item 2, Item 3]"

// Create a new read-only Map<Integer, String> val map = mapOf(Pair(1, "Item 1"), Pair(2, "Item 2"), Pair(3, "Item 3")) println(map) // prints "{1=Item 1, 2=Item 2, 3=Item 3}"

// Create a new read-only Set<String> val set = setOf(1, 3, 5) println(set) // prints "[1, 3, 5]"