java list随机截取（洗牌）

Posted 2021-03-23 AllIhave

public void solution(){
    List<Integer> givenList = Arrays.asList(1, 2, 3,4,5,6);
    Collections.shuffle(givenList);
 
    int randomSeriesLength = 3;
 
    List<Integer> randomSeries = givenList.subList(0, randomSeriesLength);
}