摘要: 一、什么是接口? 接口就是一种规范协议,约定好遵守某种规范就可以写通用的代码。 定义了一组具有各种功能的方法(只是一种能力,没有具体实现,就像抽象方法一样,“光说不做”)。 理解:内存该做成什么样的:电压多少,插线多少,这是一种国际规范,是接口。而,内存这个东西具体生产出来了,就是实现接口。不管是什 阅读全文
posted @ 2019-03-04 21:21 张玉昊 阅读(1457) 评论(0) 推荐(0)
摘要: 原文:Your passports,please. A:Are you Swedish? B:No,we are not. We are Danish. A:Are your friends Danish too? B:No they aren't,they are Norwegian. A:You 阅读全文
posted @ 2019-03-04 13:52 张玉昊 阅读(215) 评论(0) 推荐(0)
摘要: 原文:A new dress. A:What color's your new dress? B:It' green.Come upstairs and see it. A:Thank you. B:Look,here it is. A:That's a nice dress.It's very s 阅读全文
posted @ 2019-03-04 13:29 张玉昊 阅读(163) 评论(0) 推荐(0)
摘要: 原文:Is this your shirt? A:Whose shirt is that? Is this your shirt B? B:NO,sir. It's not my shirt.This is my shirt ,my shirt is blue. A:Is this shirt C' 阅读全文
posted @ 2019-03-04 13:04 张玉昊 阅读(113) 评论(0) 推荐(0)