Scala Set size() method with example

The size() method is utilized to find the number of elements in the set.

Method Definition: def size: Int

Return Type: It returns the number of elements in the set.

Example #1:

// Scala program of size()
// method

// Creating object
object GfG
{

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

        // Applying size method
        val result = s1.size

        // Display output
        println(result)
    }
}

Output:

5

Example #2:

// Scala program of size()
// method

// Creating object
object GfG
{

    // Main method
    def main(args:Array[String])
    {
        // Creating a set
        val s1 = Set(1, 0)

        // Applying size method
        val result = s1.size

        // Display output
        println(result)
    }
}

Output:

2