Scala BitSet +() method with example

Scala BitSet exists() method with example

Last Updated : 04 May, 2020

Scala Bitsets are sets of non-negative integers which are represented as variable-size arrays of bits packed into 64-bit words. The exists() method tests whether a predicate holds for at least one element of this iterable collection.

Method Definition: def exists()

Return Type: It returns false if this iterable collection is empty, otherwise true.

Example #1:

// Scala program of exists()  
// method  
import scala.collection.immutable.BitSet  
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
      
        // Creating BitSet  
        val s1 = BitSet(1, 2, 3, 4, 5)  
  
          
        // Applying exists method  
        val result = s1.exists(y => {y % 3 == 0})   
          
        // Displays output  
        println(result)  
      
    }  
}  

Output:

true

Example #2:

// Scala program of exists()  
// method  
import scala.collection.immutable.BitSet  
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
      
        // Creating BitSet  
        val s1 = BitSet(1, 2, 3, 4, 5)  
  
          
        // Applying exists method  
        val result = s1.exists(y => {y % 7 == 0})   
          
        // Displays output  
        println(result)  
      
    }  
}  

Output:

false

Scala BitSet +() method with example

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