TP04E04 MainClass

import java.util.Scanner;

public class PuntoCuatro {
    public static void main(String[] args) {
        new PuntoCuatro().run();
    }
    Scanner scanner = new Scanner(System.in);
    void run()
    {
        SimpleLinkedList<Integer> numberList = chargeOriginalList(getRandomIntBetweenRange(2, 1000));
        SimpleLinkedList<Integer> arrayWithDouble = obtainDoubleOfMultipleTen((SimpleLinkedListIterator<Integer>) numberList.iterator());

        SimpleLinkedListIterator<Integer> beginOfDoubleOfMultipleTen = (SimpleLinkedListIterator<Integer>) arrayWithDouble.iterator();
        System.out.print("Lista original:[");
        showList((SimpleLinkedListIterator<Integer>) numberList.iterator());
        System.out.print("Lista de duplos divisibles por 2 y 5 (¿mejor 10?): [");

        showList(beginOfDoubleOfMultipleTen);

    }
    void showList(SimpleLinkedListIterator<Integer> begin)
    {
        while(begin.hasNext())
        {
            System.out.print(begin.next() + ((begin.hasNext()) ? "," : "]\n" ));
        }
    }

    SimpleLinkedList<Integer> chargeOriginalList(int n)
    {
        SimpleLinkedList<Integer> ret = new SimpleLinkedList<Integer>();
        while(n-- > 0) ret.addLast(getRandomIntBetweenRange(1, 1e9+7));
        return ret;
    }
    int getRandomIntBetweenRange(double min, double max){
        int x = (int) ((int)(Math.random()*((max-min)+1))+min);
        return x;
    }
    SimpleLinkedList<Integer> obtainDoubleOfMultipleTen(SimpleLinkedListIterator<Integer> begin)
    {
        SimpleLinkedList<Integer> ret = new SimpleLinkedList<Integer>();

        while(begin.hasNext())
        {
            int pivoteValue = begin.next();
            if(pivoteValue % 10 == 0) ret.addLast(pivoteValue*2);
        }
        return ret;
    }
}