Question

How to use scala Map size() method?

Answer 1

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.

// Scala program of size()

// method

  

// Creating object

object GfG

{ 

  

    // Main method

    def main(args:Array[String])

    {

      

        // Creating a map

        val m1 = Map(3 -> "geeta", 1 -> "for", 2 -> "cs")

          

        // Applying size method

        val result = m1.size

          

        // Displays output

        println(result)

      

    }

}