Lists

Lists in Kotlin

Create an immutable list with listOf:

val nums = listOf(1, 2, 3, 4, 5)

Access elements by index (0-based), check size, and test membership:

println(nums[0])          // 1
println(nums.size)        // 5
println(nums.contains(3)) // true

For a mutable list that you can add/remove elements from:

val items = mutableListOf("a", "b")
items.add("c")
println(items.size)  // 3

Your Turn

Create a list of the first 5 odd numbers [1, 3, 5, 7, 9]. Print the list's size, its first element, its last element, and whether it contains 7.