Question

How to convert list elements to lowercase in Scala

Answer 1

object O {
    def main(args: Array[String]): Unit = {
        var lst = List("SCALA", "JAVA", "C++", "SWIFT", "C++", "C++", "SCALA")
  
        lst = lst.map(_.toLowerCase()).distinct
  
        println(lst)
         
        for (element <- lst) 
            println(element) 
    }
}
    
    
    
    
/*
run:
    
List(scala, java, c++, swift)
scala
java
c++
swift
   
*/

 

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Answer 2

object O {
    def main(args: Array[String]): Unit = {
        var lst = List("SCALA", "JAVA", "C++", "SWIFT", "C++", "C++", "SCALA")
  
        lst = lst.map(_.toLowerCase())
  
        println(lst)
         
        for (element <- lst) 
            println(element) 
    }
}
    
    
    
    
/*
run:
    
List(scala, java, c++, swift, c++, c++, scala)
scala
java
c++
swift
c++
c++
scala
   
*/

 

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