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Scala ListSet filter() method with example
  • Last Updated : 03 Nov, 2019


In Scala ListSet, filter() method is utilized to select all elements of the listSet which satisfies a stated predicate.

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

Return Type: It returns a new listset consisting all the elements of the listset which satisfies the given predicate.

Example 1:






// Scala program of filter() 
// 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.filter(_>2
          
        // Displays output 
        println(result) 
      
    
Output:
ListSet(3, 4, 5, 7)

Example 2:




// Scala program of filter() 
// 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.filter(_<1
          
        // Displays output 
        println(result) 
      
    
Output:
ListSet()



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