马shi兵容器云云原生2022
List<Integer> left = new ArrayList<>(), pivot = new ArrayList<>(), right = new ArrayList<>();
Integer pivotValue = list.get(0);
for (Integer element : list) {
if (element < pivotValue) {
left.add(element);
} else if (element.equals(pivotValue)) {
pivot.add(element);
} else {
right.add(element);