qq_43141232的博客

原文：https://www.iteye.com/blog/czj4451-1474047 若需要删除，则需要修改指针位置 错误代码 //创建集合对象 Collection<Student> c = new ArrayList<>(); Student s1 = new Student("林青霞",2); Student s2 = new Student("看八字",22); Student s3 = new Stude