Scala Mutable SortedSet forall() method

In Scala mutable collections, SortedSet forall() method is utilized to check if the given predicate satisfies all the elements of the SortedSet or not.

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

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

Example #1:

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// Scala program of forall() 
// method 
import scala.collection.mutable.SortedSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a SortedSet 
        val s1 = SortedSet(13, 7, 12, 9, 21
          
        // Applying forall method 
        val result = s1.forall(y => {y % 3 == 0}) 
          
        // Displays output 
        println(result) 
      
    

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Output:

false

Example #2:

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// Scala program of forall() 
// method 
import scala.collection.mutable.SortedSet 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a SortedSet 
        val s1 = SortedSet(15, 12, 21, 30
          
        // Applying forall method 
        val result = s1.forall(y => {y % 3 == 0}) 
          
        // Displays output 
        println(result) 
      
    

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Output:

true



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