/**
 * Created by whp on 2018/7/30.
 */
public class Test {
    public static void main(String[] args) {
        List list = new ArrayList();
        for (int i = 1; i <= 10; i++) {
            list.add(i);
        }

        ListIterator it = list.listIterator();
        while (it.hasNext()) {
            System.out.print(it.next() + " "
 
);
        }
        System.out.println();
        while (it.hasPrevious()) {
            System.out.print(it.previous() + " ");
        }

        System.out.println();

        List list1=new LinkedList();
        while(true){
            Random random=new Random();
            int i=random.nextInt(list.size());
            Object s=list.get(i);
            list1.add(s);
            list.remove(s);
            if
 
(list.size()==0){
                for(Object o:list1){
                    System.out.print(o+" ");
                }
                break;
            }
        }
    }
}