java list随机截取（洗牌）

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);
}

原文地址：https://www.cnblogs.com/AllIhave/p/12037098.html