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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



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