list循环正反向输出

import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;

public class ListIteratorDemo {
public static void main(String[] args) {
List<Integer> list = new ArrayList<Integer>();
list.add(0);
list.add(1);
list.add(2);
list.add(3);
list.add(4);
list.add(5);
list.add(6);
list.add(7);
System.out.println("正向输出list值：");
for (Integer i : list) {
System.out.print(i);
}
System.out.println("----------华丽的分割线-----------");
System.out.println("逆向输出list值：");
ListIterator<Integer> li = list.listIterator();
for (li = list.listIterator(); li.hasNext();) {
li.next();
}
for (; li.hasPrevious();) {
System.out.print(li.previous());
}
System.out.println("");
System.out.println("----------华丽的分割线-----------");
System.out.println("逆向输出list值：");
for (int i = list.size() - 1; i >= 0; i--) {
System.out.print(list.get(i));
}

}
}