Scala Set mkString() method with a separator with example

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

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

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

Example #1:

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// Scala program of mkString() 
// method 
   
// Creating object 
object GfG 
   
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a set 
        val s1 = Set(1, 2, 3, 4
           
        // Applying mkString method 
        val result = s1.mkString(", ")
           
        // Display output
        println(result)
    

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Output:

1, 2, 3, 4

Example #2:

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// Scala program of mkString() 
// method 
   
// Creating object 
object GfG 
   
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a set 
        val s1 = Set("Geeks", "Will", "Rule"
           
        // Applying mkString method 
        val result = s1.mkString(" ")
           
        // Display output
        println(result)
    
}

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Output:

Geeks Will Rule



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