vue集合定义给定长度
int size = GetDataSet.setInt.size();
Set<Integer> randomSet = new HashSet<>();
for (int k = 0; k < size; k++) {
int item = new Random().nextInt(size);
int j = 0;
for (int mbr : GetDataSet.setInt) {
if (j == item) {
randomSet.add(mbr);
}
j = j + 1;
}
}// kth loop end
翻译自: https://bytes.com/topic/java/insights/942545-pick-up-random-set-given-set
vue集合定义给定长度