摘要: 多态 note First. 展示代码 // 父类 package yang.file; public class Father { public void eat(){ System.out.println("run\n"); } public void come() { System.out.p 阅读全文
posted @ 2021-06-20 16:36 Ethan&Young 阅读(96) 评论(0) 推荐(0)