迭代查詢，用於數據庫查詢

    Iterator<Object> iterator = objects.iterator();
int count = 0;
while (iterator.hasNext()) {
    Object next = iterator.next();
    count++;
    if (count % 1000 == 0) {
        System.out.println(count);
    } else if (count == objects.size()) {
        System.out.println(count);
    }
}