kotlin-stdlib/kotlin.collections/HashMap/entries

entries

expect open override val entries: MutableSet<MutableMap.MutableEntry<K, V>>(source)

Returns a MutableSet of all key/value pairs in this map.

Since Kotlin

1.0

Samples

import kotlin.test.*
import java.util.*

fun main() { 
   //sampleStart 
   val map = mutableMapOf(1 to "one", 2 to "two")
val entries = map.entries
println(entries) // [1=one, 2=two]

entries.first().setValue("*ONE*")
println(entries) // [1=*ONE*, 2=two]

entries.clear()
println("map.isEmpty() is ${map.isEmpty()}") // true 
   //sampleEnd
}
actual open override val entries: MutableSet<MutableMap.MutableEntry<K, V>>(source)

Returns a MutableSet of all key/value pairs in this map.

Since Kotlin

1.1

Samples

import kotlin.test.*
import java.util.*

fun main() { 
   //sampleStart 
   val map = mutableMapOf(1 to "one", 2 to "two")
val entries = map.entries
println(entries) // [1=one, 2=two]

entries.first().setValue("*ONE*")
println(entries) // [1=*ONE*, 2=two]

entries.clear()
println("map.isEmpty() is ${map.isEmpty()}") // true 
   //sampleEnd
}
actual open override val entries: MutableSet<MutableMap.MutableEntry<K, V>>(source)

Returns a MutableSet of all key/value pairs in this map.

Since Kotlin

1.3

Samples

import kotlin.test.*
import java.util.*

fun main() { 
   //sampleStart 
   val map = mutableMapOf(1 to "one", 2 to "two")
val entries = map.entries
println(entries) // [1=one, 2=two]

entries.first().setValue("*ONE*")
println(entries) // [1=*ONE*, 2=two]

entries.clear()
println("map.isEmpty() is ${map.isEmpty()}") // true 
   //sampleEnd
}
actual open override val entries: MutableSet<MutableMap.MutableEntry<K, V>>(source)

Returns a MutableSet of all key/value pairs in this map.

Since Kotlin

1.8

Samples

import kotlin.test.*
import java.util.*

fun main() { 
   //sampleStart 
   val map = mutableMapOf(1 to "one", 2 to "two")
val entries = map.entries
println(entries) // [1=one, 2=two]

entries.first().setValue("*ONE*")
println(entries) // [1=*ONE*, 2=two]

entries.clear()
println("map.isEmpty() is ${map.isEmpty()}") // true 
   //sampleEnd
}
actual open override val entries: MutableSet<MutableMap.MutableEntry<K, V>>(source)

Returns a MutableSet of all key/value pairs in this map.

Since Kotlin

1.8

Samples

import kotlin.test.*
import java.util.*

fun main() { 
   //sampleStart 
   val map = mutableMapOf(1 to "one", 2 to "two")
val entries = map.entries
println(entries) // [1=one, 2=two]

entries.first().setValue("*ONE*")
println(entries) // [1=*ONE*, 2=two]

entries.clear()
println("map.isEmpty() is ${map.isEmpty()}") // true 
   //sampleEnd
}