Scala Set head() method with example

The head() method is utilized to display the first element of the set.

Method Definition: def head: A

Return Type: It returns the first element of the set.

Example #1:

// Scala program of head()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a set
        val s1 = Set(5, 1, 2, 3, 4)

        // Applying head method
        val result = s1.head

        // Display output
        println(result)
    }
}

Output:

5

Example #2:

// Scala program of head()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a set
        val s1 = Set(41, 16, 22, 3, 51)

        // Applying head method
        val result = s1.head

        // Display output
        println(result)
    }
}

Output:

41