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Scala immutable TreeSet contains() method
  • Last Updated : 19 Apr, 2020

In Scala immutable TreeSet class, the contains() method is utilized to check if an element is present in the TreeSet of not.

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

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

Example #1:




// Scala program of contains() 
// method 
  
// Import TreeSet
import scala.collection.immutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating TreeSet
        val t1 = TreeSet(41, 12, 23, 43, 1, 72
          
        // Print the TreeSet
        println(t1
          
        // Applying contains() method  
        val result = t1.contains(10)
          
        // Display output 
        print("TreeSet contains '10': " + result) 
           
    
Output:
TreeSet(1, 12, 23, 41, 43, 72)
TreeSet contains '10': false

Example #2:




// Scala program of contains() 
// method 
  
// Import TreeSet
import scala.collection.immutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating TreeSet
        val t1 = TreeSet("g", "e", "e", "k", "s"
          
        // Print the TreeSet
        println(t1
          
        // Applying contains() method  
        val result = t1.contains("k")
          
        // Display output 
        print("TreeSet contains 'k': " + result) 
           
    
Output:
TreeSet(e, g, k, s)
TreeSet contains 'k': true



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