ScalaListAdding.txt

    var list = List[String]();
    var set = Set[String]();
    var vec = Vector[String]();
    var seq=Seq[String]();

    for (ref <- Source.fromFile("E:/Data/input.txt").getLines()) {

      list = list :+ ref;
      set += ref;
      vec = vec :+ ref;
      seq=seq:+ref;
      
    }

    println(list)
    println(list.size);

    println(set)
    println(set.size)

    println(vec);
    println(vec.size);
    
    println("seq"+seq);
    println(seq.size);