就是随机打乱原来的顺序,和洗牌一样。如:
1 // ShuffleTest.java 2 3 import java.util.*; 4 5 public class ShuffleTest { 6public static void main(String[] args) { 7 List<Integer> list = new ArrayList<Integer>(); 8 for (int i = 0; i < 10; i++) 9 list.add(new Integer(i));10 System.out.println("打乱前:");11 System.out.println(list);12 13 for (int i = 0; i < 5; i++) {14 System.out.println("第" + i + "次打乱:");15 Collections.shuffle(list);16 System.out.println(list);17 }18}19 }
如果觉得《suffer》对你有帮助,请点赞、收藏,并留下你的观点哦!