List <Float> medias = new LinkedList<Float>();
import java.util.List;
import java.util.LinkedList;
public class ListaLigada {
public static void main(String args[]) {
List<Double> os_meus_doubles = new LinkedList<Double>();
os_meus_doubles.add(2.0);
os_meus_doubles.add(3.0);
os_meus_doubles.add(1.0);
System.out.println(os_meus_doubles);
}
}