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Scala TreeSet apply() method with example
  • Last Updated : 02 Nov, 2019

In Scala TreeSet class, the apply() method is utilized to check if some element is present in the TreeSet or not.

Method Definition: def apply(elem: A): Boolean

Return Type: It returns true if the given element is present in the TreeSet or else returns false.

Example #1:




// Scala program of apply() 
// method 
  
// Import TreeSet
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating TreeSet
        val t1 = TreeSet(2, 1, 3, 4, 5
          
        // Print the TreeSet
        println(t1
          
        // Applying apply() method  
        val result = t1.apply(3)
          
        // Displays output 
        println("TreeSet contains '3': " + result)
          
    


Output:

TreeSet(1, 2, 3, 4, 5)
TreeSet contains '3': true

Example #2:




// Scala program of apply() 
// method 
  
// Import TreeSet
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating TreeSet
        val t1 = TreeSet(2, 1, 3, 4, 5
          
        // Print the TreeSet
        println(t1
          
        // Applying apply() method  
        val result = t1.apply(0)
          
        // Displays output 
        println("TreeSet contains '0': " + result)
          
    


Output:

TreeSet(1, 2, 3, 4, 5)
TreeSet contains '0': false



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