摘要: 1.今天学习了简单接口的例子: interface Student{ int class =0604; void learning(); void eat(); void sleep(); } class Student1 implements Student{ public void eat(){ 阅读全文
posted @ 2020-08-12 19:13 张笑天 阅读(86) 评论(0) 推荐(0) 编辑