How to reverse a Scala list?

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Can anyone explain how to reverse a Scala list with a example?
Jul 31, 2019 in Apache Spark by Niraj
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1 answer to this question.

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Hi,

This reverses the order of elements in a list using the List. reverse method.

Here is an example you can follow:

scala> a

res6: List[Int] = List(1, 2, 3)

scala> a.reverse

res7: List[Int] = List(3, 2, 1)

scala> a

res8: List[Int] = List(1, 2, 3)
answered Jul 31, 2019 by Gitika
• 26,270 points

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