cnblogs ring void shu bsp pre .sh oid clas
- public static void main(String[] args) {
- List <Integer> intList = new ArrayList<Integer>(); //汉字随机放入的位子
- intList.add(1);
- intList.add(2);
- intList.add(3);
- intList.add(4);
- Collections.shuffle(intList);
- for (int i = 0; i < intList.size(); i++) {
- System.out.println(intList.get(i));
- }
- System.out.println("-----------------");
- Integer[] arr = new Integer[] {1, 2, 3, 4};
- List<Integer> list = Arrays.asList(arr);
- Collections.shuffle(list);
- for (int i = 0; i < list.size(); i++) {
- System.out.println(list.get(i));
- }
- }
java随机打乱集合顺序
来源: http://www.bubuko.com/infodetail-2355719.html