<T extends Number> ArrayList<T> createAList(Class<T> type) { ArrayList<T> toReturn = new ArrayList<>(); return toReturn;}ArrayList<Integer> intList = createAList(Integer.class);
<T extends Number> ArrayList<T> createAList(Class<T> type) { ArrayList<T> toReturn = new ArrayList<>(); return toReturn;}ArrayList<Integer> intList = createAList(Integer.class);名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
