Scala Map mkString() method with example

The mkString() method is utilized to represent the elements of the map as a string.

Method Definition: def mkString: String

Return Type: It returns the elements of the map as a string.

Example #1:

// Scala program of mkString()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating map
        val m1 = Map("geeks" -> 5, "for" -> 3, "cs" -> 6)

        // Applying mkString method
        val result = m1.mkString

        // Displays output
        println(result)
    }
}

Output:

geeks -> 5for -> 3cs -> 6

Example #2:

// Scala program of mkString()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {

        // Creating map
        val m1 = Map("geeks" -> 5, "for" -> 3, "for" -> 3)

        // Applying mkString method
        val result = m1.mkString

        // Displays output
        println(result)
    }
}

Output:

geeks -> 5for -> 3