摘要: 带遍历 public class Test4 { public static void main(String[] args) { HashMap<Phone,String> map = new HashMap<>(); map.put(new Phone("Apple",7000),"美国"); 阅读全文
posted @ 2021-09-13 21:17 漂流海上的草帽 阅读(50) 评论(0) 推荐(0)