August 2021
Intermediate to advanced
450 pages
9h 36m
Chinese
Content preview from C++程序设计：原理与实践（基础篇）（原书第2版）Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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9.4 演化一个类
下面展示如何将一个简单数据结构逐步演化为一个具有私有实现细节和支持函数的类，并解释为什么这么做，我们通过这些内容来说明支持类的语言功能和使用类的基本技术。我们对这些内容的介绍借助于一个非常普通的问题——如何在程序中表示日期（如1954年8月14日）。很显然，很多程序都需要日期，如商业事务程序、天气数据程序、日程表程序、工作记录程序、库存管理程序等等。唯一的问题是，我们如何才能表示它。
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.