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Scala TreeSet mkString() method with a separator with example
  • Last Updated : 11 Nov, 2019

The mkString() method is utilized to display all the elements of the TreeSet in a string along with a separator.

Method Definition: def mkString(sep: String): String

Return Type: It returns all the elements of the TreeSet in a string along with a separator.

Example #1:




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

Example #2:




// Scala program of mkString() 
// method 
  
// Import TreeSet
import scala.collection.mutable._
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
      
        // Creating TreeSet
        val t1 = TreeSet("u", "a", "i", "o", "e")  
            
        // Print the TreeSet 
        println(t1
          
        // Applying mkString method  
        val result = t1.mkString(", ")
            
        // Displays output  
        print("TreeSet: " + result) 
          
    
Output:
TreeSet(a, e, i, o, u)
TreeSet: a, e, i, o, u



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