What is BitSet in Scala?

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Can any help me out with the above question and how does BitSet works?
Jul 25 in Apache Spark by Jigar
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1 answer to this question.

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Hey,

A BitSet is a set of non-negative integers depicted as arrays. These arrays are variable in size and packed into 64-bit words. The largest number in a BitSet determines its memory footprint. 

Let’s take an example:

scala> import scala.collection.immutable._

import scala.collection.immutable._

scala> var nums=BitSet(7,2,4,3,1)

nums: scala.collection.immutable.BitSet = BitSet(1, 2, 3, 4, 7)

scala> nums+=9 

scala> nums
answered Jul 25 by Gitika
• 25,300 points

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