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Scala List map() method with example
  • Last Updated : 13 Aug, 2019

The map() method is utilized to apply the stated function to all the elements of the list.

Method Definition: def map[B](f: (A) => B): List[B]

Return Type: It returns a new list after applying the stated function to all the elements of the list.

Example #1:




// Scala program of map()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(2, 3, 5, 7, 8)
          
        // Applying map method
        val result = m1.map(x => x*3)
          
        // Displays output
        println(result)
      
    }
Output:
List(6, 9, 15, 21, 24)

Example #2:




// Scala program of map()
// method
  
// Creating object
object GfG
  
    // Main method
    def main(args:Array[String])
    {
        // Creating a list
        val m1 = List(2, 3, 5, 7, 8)
          
        // Applying map method
        val result = m1.map(x => x*x)
          
        // Displays output
        println(result)
      
    }
Output:
List(4, 9, 25, 49, 64)



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