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How to append a list in Scala 0 votes Can anyone explain how can we use Scala to append to a List?

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Jul 26, 2019 in Apache Spark by Nishant • 6,904 views answer comment

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0 votes

Hey,

For this purpose, we use the single value ‘:+’.

scala> var a=List.empty[String] a: List[String] = List() scala> a :+="red" scala> a :+="green" scala> a :+="blue" scala> a

The output will be:

List[String] = List(red, green, blue)

Now to append a list to it:

scala> a++=List("golden","bronze") scala> a

The output will be:

List[String] = List(red, green, blue, golden, bronze)

Hope this helps!!

If you need to learn more about Scala, It's recommended to join Scala Certification course today.

Thank you!

answered Jul 26, 2019 by Gitika • 65,730 points comment

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