Kotlin new map

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Kotlin new map

Maps are useful for storing logical connections between objects, for example, ... is a Map with map write operations, for example, you can add a new key-value ... ,What's New. What's New in 1.4 ... Returns an empty read-only map of specified type. The returned map is serializable (JVM). import kotlin.test.* import ... val map = emptyMap<String, Int>() println("map. ... Empty maps are equal println,Returns a new HashMap with the specified contents, given as a list of pairs where the ... val map: HashMap<Int, String> = hashMapOf(1 to "x", 2 to "y", -1 to "zz") ,Kotlin 也有List、Map、Set,但Kotlin 中的List、Map、Set 只能讀取,是無法進行修改,若需要可讀可寫,需使用MutableList、MutableMap、MutableSet。 集合的 ... , Kotlin maps tutorial shows how to work with maps in Kotlin. A list is a generic ordered collection ... A new pair is added to the map. IntelliJ IDEA ..., 差別在於集合的容量不需事先定義,也沒有上限。集合與Java一樣,有List、Set與Map三大類,在Kotlin中,又分為唯讀和可讀寫的類型。本文就 ...,Returns a new Map with entries having the keys obtained by applying the transform function to each entry in this Map and the values of this map. fun <K, V, R> ... ,Both return a new map of entries which match the given predicate. The predicate for filterKeys() checks only the element keys, the one for filterValues() checks only ... ,Returns a new read-only map with the specified contents, given as a list of pairs where the first value is the key and the second is the value. If multiple pairs have the same key, the resulting map will contain the value from the last of those pairs. ,Returns an empty new MutableMap. The returned map preserves the entry iteration order.

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Kotlin new map 相關參考資料
Collections Overview - Kotlin Programming Language

Maps are useful for storing logical connections between objects, for example, ... is a Map with map write operations, for example, you can add a new key-value&nbsp;...

https://kotlinlang.org

emptyMap - Kotlin Programming Language

What&#39;s New. What&#39;s New in 1.4 ... Returns an empty read-only map of specified type. The returned map is serializable (JVM). import kotlin.test.* import ... val map = emptyMap&lt;String, Int&gt...

https://kotlinlang.org

hashMapOf - Kotlin Programming Language

Returns a new HashMap with the specified contents, given as a list of pairs where the ... val map: HashMap&lt;Int, String&gt; = hashMapOf(1 to &quot;x&quot;, 2 to &quot;y&quot;, -1 to &quot;zz&quot;)

https://kotlinlang.org

Kotlin : 集合資料型態,List、Map、Set 集合 - HKT 線上教室

Kotlin 也有List、Map、Set,但Kotlin 中的List、Map、Set 只能讀取,是無法進行修改,若需要可讀可寫,需使用MutableList、MutableMap、MutableSet。 集合的&nbsp;...

http://tw-hkt.blogspot.com

Kotlin maps tutorial - working with maps in Kotlin - ZetCode

Kotlin maps tutorial shows how to work with maps in Kotlin. A list is a generic ordered collection ... A new pair is added to the map. IntelliJ IDEA&nbsp;...

http://zetcode.com

Kotlin-第5課-集合(List、Set與Map). 集合跟陣列類似,都是 ...

差別在於集合的容量不需事先定義,也沒有上限。集合與Java一樣,有List、Set與Map三大類,在Kotlin中,又分為唯讀和可讀寫的類型。本文就&nbsp;...

https://medium.com

Map - Kotlin Programming Language

Returns a new Map with entries having the keys obtained by applying the transform function to each entry in this Map and the values of this map. fun &lt;K, V, R&gt;&nbsp;...

https://kotlinlang.org

Map Specific Operations - Kotlin Programming Language

Both return a new map of entries which match the given predicate. The predicate for filterKeys() checks only the element keys, the one for filterValues() checks only&nbsp;...

https://kotlinlang.org

mapOf - Kotlin Programming Language

Returns a new read-only map with the specified contents, given as a list of pairs where the first value is the key and the second is the value. If multiple pairs have the same key, the resulting map w...

https://kotlinlang.org

mutableMapOf - Kotlin Programming Language

Returns an empty new MutableMap. The returned map preserves the entry iteration order.

https://kotlinlang.org