How to create map in kotlin

Make map kotlin

val map = mapOf(1 to "x", 2 to "y", -1 to "zz")

How to create map in kotlin

fun main(args: Array<String>){  
  
    val myMap = mapOf<Int,String>(1 to "Ajay", 4 to "Vijay", 3 to "Prakash")  
    for(key in myMap.keys){  
        println(myMap[key])  
    }  
}

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 }))
}

Similar codes

2 votes163 views1 answer
Add moduel to gradle android
Kotlin
0 vote159 views2 answers
Kotlin Null Safety
Kotlin
3 votes155 views2 answers
Kotlin power
Kotlin
0 vote162 views1 answer
Kotlin iterate 1 to 10
Kotlin
0 vote163 views1 answer
Kotlin change editable to Int
Kotlin
1 vote172 views1 answer
Android studio kotlin
Kotlin
3 votes139 views1 answer
Send email with intent
Kotlin
0 vote152 views1 answer
Handler android kotlin
Kotlin
0 vote153 views3 answers
Return two values kotlin
Kotlin
0 vote155 views1 answer
Reset untracked files
Kotlin