Scala Map size() method with example

The size() is utilized to find the number of key-value pairs in the stated map.

Method Definition: def size: Int

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

Example #1:

// Scala program of size()
// method

// Creating object
object GfG
{

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

        // Creating a map
        val m1 = Map(3 -> "geeks", 1 -> "for", 2 -> "cs")

        // Applying size method
        val result = m1.size

        // Displays output
        println(result)

    }
}

Output:

3

Example #2:

// Scala program of size()
// method

// Creating object
object GfG
{

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

        // Creating a map
        val m1 = Map(3 -> "geeks", 1 -> "for", 1 -> "cs")

        // Applying size method
        val result = m1.size

        // Displays output
        println(result)

    }
}

Output:

2