Kotlin list map to another list

Create a map from list kotlin

fun main() {
    val numbers = listOf("one", "two", "three", "four")

    println(numbers.associateBy { it.first().toUpperCase() })
    println(numbers.associateBy(keySelector = { it.first().toUpperCase() }, valueTransform = { it.length }))
}

Kotlin list map to another list

12,12,344,5

Similar codes

1 vote154 views1 answer
Kotlin currency format
Kotlin
2 votes143 views3 answers
Kotlin var val
Kotlin
2 votes149 views1 answer
Kotlin uuid
Kotlin
0 vote150 views2 answers
Kotlin filter map by key
Kotlin
0 vote162 views2 answers
Time text format kotlin android studio
Kotlin
0 vote157 views2 answers
Kotlin enum
Kotlin
0 vote139 views1 answer
RecyclerView heights decrease on scroll
Kotlin
0 vote145 views1 answer
How to set all window background color in kotlin xml
Kotlin
0 vote158 views1 answer
Android show keyboard programmatically
Kotlin
0 vote115 views1 answer
Mutable parameters kotlin
Kotlin