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Scala Map size() method with example
  • Last Updated : 13 Aug, 2019

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:

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// 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)
      
    }
}

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Output:

3

Example #2:

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// 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)
          
    }
}

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Output:

2



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