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Scala ListSet filter() method with example

Last Updated : 13 Feb, 2023
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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




// Scala program of filter()
// method
import scala.collection.immutable._
// Creating object
object GfG
{
 
    // Main method
    def main(args:Array[String])
    {
     
        // Creating listset
        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




// Scala program of filter()
// method
import scala.collection.immutable._
// Creating object
object GfG
{
 
    // Main method
    def main(args:Array[String])
    {
     
        // Creating listset
        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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