Sobes.tech
Junior — Senior

Exploring HashMap output methods in Kotlin

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Task condition

Determine what text will appear in the console after executing the following program.

fun main(args: Array<String>) {

    val dict = HashMap<String, Int>().withDefault { -1 }
    println(dict["missing key 1"])
    println(dict.get("missing key 2"))
    println(dict.getValue("missing key 3"))
    println(dict.getOrDefault("missing key 4", 0))
    println(dict.getOrElse("missing key 5") { 1 })
    println(dict.getOrPut("missing key 6") { 2 })
    println(dict)
}

Question: what values will be printed on each line of output?