Scala Set count() method with example

Scala Map count() method with example

Last Updated : 13 Aug, 2019

The count() method is utilized to count pair of keys in the Map.

Method Definition: def count(p: ((A, B)) => Boolean): Int Return Type: It returns the number of keys present in the map that satisfies the given predicate.

Example #1:

Scala

// Scala program of count()
// method

// Creating object
object GfG
{ 

    // Main method
    def main(args:Array[String])
    {
    
        // Creating a map
        val m1 = Map("geeks" -> 5, "for" -> 3, "cs" -> 5)
        
        // Applying count method
        val result = m1.count(z=>true)
        
        // Displays output
        println(result)
    
    }
}

Output:

Example #2:

Scala

// Scala program of count()
// method

// Creating object
object GfG
{ 

    // Main method
    def main(args:Array[String])
    {
    
        // Creating a map
        val m1 = Map("geeks" -> 5, "for" -> 3, "geeks" -> 5)
        
        // Applying count method
        val result = m1.count(z=>true)
        
        // Displays output
        println(result)
    
    }
}

Output:

So, the identical keys are counted only once.

Scala Set count() method with example

nidhi1352singh

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