Scala Mutable SortedSet init() method

Scala Mutable SortedSet exists() method

Last Updated : 26 Mar, 2020

In Scala mutable collections, SortedSet exists() method is utilized to test whether a predicate holds for some of the elements of the SortedSet or not.

Method Definition: def exists(p: (A) => Boolean): Boolean

Return Type: It returns true if the stated predicate holds true for some elements of the SortedSet else it returns false.

Example #1:

// Scala program of exists()  
// method  
import scala.collection.mutable.SortedSet  
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
        // Creating a list  
        val s1 = SortedSet(17, 7, 27, 37)  
          
        // 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.mutable.SortedSet  
  
// Creating object  
object GfG  
{  
  
    // Main method  
    def main(args:Array[String])  
    {  
        // Creating a list  
        val s1 = SortedSet(15, 2, 3, 45, 6)  
          
        // Applying exists method  
        val result = s1.exists(y => {y % 7 == 0})  
          
        // Displays output  
        println(result)  
          
    }  
}  

Output:

false

Scala Mutable SortedSet init() method

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