摘要: 1,仓库类public class WareHouse { private ArrayList<String> list = new ArrayList<>(); private Integer i = 0; /** * 向集合中添加元素 */ public synchronized String 阅读全文
posted @ 2020-06-12 14:49 EspenWu 阅读(140) 评论(0) 推荐(0) 编辑