Scala BitSet –() method with example

Scala Bitsets are sets of non-negative integers which are represented as variable-size arrays of bits packed into 64-bit words. The –() method is utilised create a new collection from this collection by removing all elements of another collection.

Method Definition: def –()

Return Type: It returns a new collection that contains all elements of the current collection except elems.

Example #1:

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// Scala program of Bitset --
// method 
import scala.collection.immutable.BitSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
  
        val b1: BitSet = BitSet(0, 1, 2, 3, 4, 5
        val b2: BitSet = BitSet(4, 5
  
        // Applying BitSet --() function 
        val bs1: BitSet = b1 -- b2
          
        // Displays output 
        println(bs1
      
    

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Output:

BitSet(0, 1, 2, 3)

Example #2:

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// Scala program of Bitset --
// method 
import scala.collection.immutable.BitSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
  
        val b1: BitSet = BitSet(0, 1, 2, 3, 15, 16
        val b2: BitSet = BitSet(15, 16, 0
  
        // Applying BitSet --() function 
        val bs1: BitSet = b1 -- b2
          
        // Displays output 
        println(bs1
      
    

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Output:

BitSet(1, 2, 3)



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