Scala Set map() method with example

The map() method is utilized to build a new set by applying a function to all elements of this set.

Method Definition: def map[B](f: (A) => B): immutable.Set[B]

Return Type: It returns a new set containing all the elements after applying the given function.



Example #1:

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// Scala program of map() 
// method 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a set 
        val s1 = Set(5, 1, 3, 2, 4
          
        // Applying map method 
        val result = s1.map(x => x*x)
          
        // Display output
        println(result)
    

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Output:

Set(25, 1, 9, 16, 4)

Example #2:

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// Scala program of map() 
// method 
  
// Creating object 
object GfG 
  
    // Main method 
    def main(args:Array[String]) 
    
        // Creating a set 
        val s1 = Set(5, 1, 3, 2, 4
          
        // Applying map method 
        val result = s1.map(x => x/2)
          
        // Display output
        println(result)
    

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Output:

Set(2, 0, 1)


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