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Scala BitSet ++:[B](that: TraversableOnce[B]) method with example

  • Last Updated : 04 May, 2020
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Scala Bitsets are sets of non-negative integers which are represented as variable-size arrays of bits packed into 64-bit words. The ++:[B](that: TraversableOnce[B]) method is utilised create a collection containing the elements from the left hand operand followed by the elements from the right hand operand.

Method Definition: def ++:[B](that: TraversableOnce[B])

Return Type: It returns a new bitset which contains all elements of this bitset followed by all elements of that.

Example #1:




// Scala program of Bitset ++
// method 
import scala.collection.immutable.BitSet 
import scala.collection.mutable.LinkedList 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
  
        val b1 = BitSet(0, 1, 2, 3
        val b2 = LinkedList(100)
  
        // Applying BitSet ++() function 
        val bs1 = b1 ++: b2
          
        // Displays output 
        println(bs1
      
    
Output:
LinkedList(0, 1, 2, 3, 100)

Example #2:




// Scala program of Bitset ++
// method 
import scala.collection.immutable.BitSet 
import scala.collection.mutable.LinkedList 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
  
        val b1 = BitSet(11, 22, 33
        val b2 = LinkedList("A", "B")
  
        // Applying BitSet ++() function 
        val bs1 = b1 ++: b2
          
        // Displays output 
        println(bs1
      
    
Output:
LinkedList(0, 1, 2, 3, A, B)



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