Scala Set mkString() method with example

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

Method Definition: def mkString: String

Return Type: It returns a string containing all the element of the set.

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:

1234

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:

GeeksWillRule



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