Collection<? extends E> c
The serializable class ItemSet does not declare a static final
serialVersionUID field of type long
引用 和 指针 的区别 Type safety: Unchecked cast from Object to ArrayList @SuppressWarnings("unchecked")
posted on 2015-09-14 21:46 一五一十 阅读(95) 评论(0) 编辑 收藏 举报
