反向循环list

// output List contents
private static void printList(List<String> list) {
System.out.printf("%nlist:%n");

for (String color : list)
  System.out.printf("%s ", color);

System.out.println();

}

// print reversed list
private static void printReversedList(List<String> list) {
ListIterator<String> iterator = list.listIterator(list.size());

System.out.printf("%nReversed List:%n");

// print list in reverse order
while (iterator.hasPrevious())
  System.out.printf("%s ", iterator.previous());

}
Console：
list:
black yellow green blue violet silver

Reversed List:
silver violet blue green yellow black