September 2004
Intermediate to advanced
464 pages
10h
English
Content preview from Working Effectively with Legacy CodeBecome 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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Chapter 3: Sensing and Separation
Ideally, we wouldn’t have to do anything special to a class to start working with it. In an ideal system, we’d be able to create objects of any class in a test harness and start working. We’d be able to create objects, write tests for them, and then move on to other things. If it were that easy, there wouldn’t be a need to write about any of this, but unfortunately, it is often hard. Dependencies among classes can make it very difficult to get particular clusters of objects under test. We might want to create an object of one class and ask it questions, but to create it, we need objects of another class, and those objects need objects of another class, and so on. Eventually, you end up with nearly the whole system ...
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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.
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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.