Question

How to convert list elements to uppercase in Scala

Answer 1

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

 

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Answer 2

List(SCALA, JAVA, SCALA, C++, C++, SWIFT, C++)
SCALA
JAVA
SCALA
C++
C++
SWIFT
C++

 

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