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AJBM

Juntar strings em listas diferentes

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AJBM

Boas,
 

Eu tenho de fazer uma função em Scala que retorne uma lista com a junção de strings  de listas diferentes.
Ex: doStuff(List("ACE"), List("BDF")) Retorna ABCDEF

Eu tenho isto,

def doStuff(l: List[String],l2: List[String]): List[String] = {
val newList:List[String]=List()

if(l.size> l2.size) {
  for((elem,i)<- l.view.zipWithIndex) {
    if(i< l2.size) {
      for((x,j) <- elem.view.zipWithIndex) {
        if(j<l2(i).length()) {
          print( x.toChar +""+ l2(i).charAt(j))
        }
      }
      println()
    }
  }
}
else {
  for((elem,i)<- l2.view.zipWithIndex){
    if(i< l2.size){
      for((x,j) <- elem.view.zipWithIndex) {
        if(j<l2(i).length()){
          print(+l2(i).charAt(j)+ "" +x.toChar)
        }
      }
      println()
    }
  }																					
}		
newList
}

O resultado do print está correto, mas eu precisava de retornar uma lista com esse valor. Não posso usar var.
Alguém tem alguma dica?

Obrigado

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