摘要:
这是Dog类 public class Dog { String id; public Dog(String id) { this.id = id; } @Override public boolean equals(Object obj) { if (obj instanceof Student) 阅读全文
posted @ 2021-05-13 20:07 lezai0514 阅读(53) 评论(0) 推荐(0)
posted @ 2021-05-13 20:07 lezai0514 阅读(53) 评论(0) 推荐(0)