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#collections #maps #scala

Concatenating Maps

You can use either ++ operator or Map.++() method to concatenate two or more Maps,

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Scala Maps
it produces the following result: C:/>scalac Test.scala C:/>scala Test Keys in colors : Set(red, azure, peru) Values in colors : MapLike(#FF0000, #F0FFFF, #CD853F) Check if colors is empty : false Check if nums is empty : true C:/> <span>Concatenating Maps You can use either ++ operator or Map.++() method to concatenate two or more Maps, but while adding Maps it will remove duplicate keys. Following is the example to concatenate two Maps: object Test { def main(args: Array[String]) { val colors1 = Map("red&


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