摘要: 1.今天学习了接口 interface Student { int clas=0604; void learning(); void eat(); void sleep(); } class Student1 implements Student{ public void eat(){ System 阅读全文
posted @ 2020-07-20 20:37 敲敲代代码码 阅读(91) 评论(0) 推荐(0) 编辑