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Scala Mutable SortedSet dropWhile()

  • Last Updated : 26 Mar, 2020

In Scala mutable collections, dropWhile() method is utilized to drop the longest prefix of elements from the SortedSet that satisfies the stated condition.

Method Definition: def dropWhile(p: (A) => Boolean): SortedSet[A]

Return Type: It returns a TreeSet containing all the elements after dropping the longest prefix of elements from the SortedSet that satisfies the stated condition.

Example #1:




// Scala program of dropWhile() 
// method 
import scala.collection.mutable.SortedSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating a list 
        var s1 = SortedSet(1, 3, 5, 4, 2
          
        // Print the SortedSet
        println(s1)
          
        // Applying dropWhile method 
        var res = s1.dropWhile(x => {x % 2 != 0}) 
          
        // Displays output 
        println(res) 
      
    
Output:
TreeSet(1, 2, 3, 4, 5)
TreeSet(2, 3, 4, 5)

Example #2:




// Scala program of dropWhile() 
// method 
import scala.collection.mutable.SortedSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating a list 
        var s1 = SortedSet(15, 17, 21
          
        // Print the SortedSet
        println(s1)
          
        // Applying dropWhile method 
        var res = s1.dropWhile(x => {x % 3 == 0}) 
          
        // Displays output 
        println(res) 
      
    
Output:
TreeSet(15, 17, 21)
TreeSet(17, 21)



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