Create A Map In Scala

Create A Map In Scala. Avenza Systems Map and Cartography Tools Scala's Map is a collection of key-value pairs, where each key needs to be unique val states = Map("AL" -> "Alabama", "AK" -> "Alaska") To create a mutable Map, import it first:

Maps (using Scala) YouTube
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You want to create and use a mutable or immutable Map in a Scala application. Let's discuss some typical examples where Scala maps provide the perfect fit: 1

Maps (using Scala) YouTube

var states = scala.collection.mutable.Map("AL" -> "Alabama") Note "map" because the resulting collection is not a scala Map but creates another list/iterable of tuples.but the effect is the same for the OP's purpose i wouldn't discount the simplicity but it's not as efficient as foldLeft solution, nor it's the real answer to the question "converting into a collection into a map-by-key" - Maps allow storing hierarchical application configurations for easy access across codebase.

Scala List and Map. For creating a mutable map use scala.collection.mutable.Map or import the same for creating an immutable map val states = Map("AL" -> "Alabama", "AK" -> "Alaska") To create a mutable Map, import it first:

How to Convert List to Map in Scala Delft Stack. values: Value method returns an iterable containing each value in the Scala map You want to create and use a mutable or immutable Map in a Scala application.