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:

// 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)
    }
}

Output:

1, 2, 3, 4

Example #2:

// 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)
    }
}

Output:

Geeks Will Rule