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Scala ListSet count() method with Example

  • Last Updated : 03 Nov, 2019


In Scala ListSet, count() method is utilized to count the number of elements of the listSet which satisfy a stated predicate.

Method Definition: def count(p: (A) => Boolean): ListSet[A]

Return Type: It returns the count of number of elements of the listset which satisfy the given predicate.

Example 1:




// Scala program of count() 
// method 
import scala.collection.immutable._
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating litset
        val m1 = ListSet(1, 2, 3, 4, 5, 7)
          
        // Applying filter method 
        val result = m1.count(_>2
          
        // Displays output 
        println(result) 
      
    
Output:
4

Example 2:




// Scala program of count() 
// method 
import scala.collection.immutable._
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating litset
        val m1 = ListSet(1, 2, 3, 4, 5, 7)
          
        // Applying filter method 
        val result = m1.count(_<1
          
        // Displays output 
        println(result) 
      
    
Output:
0



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