The first five chapters of the construction of modern software engineering reading Impressions & Puzzles

Chapter I first section

The new era of China's IT industry market rules are not standardized, the book mentions that there are individual software companies in the Community software must uninstall another company's software to run, I am puzzled here---———— is not that if a software company he can make a Microsoft operating system like the popular software So he can do whatever he wants. Shielding some unfriendly software companies, thus determining the survival of other companies???

Chapter II the second part of the first section

It says here that programmers, as developers of this unit, have to write the development unit themselves, but if you run into a large and urgent project, then write unit tests? Or you can't let someone else write?

Chapter III, section II

It's a programmer's way of growing up, but I've learned that programmers in social software companies don't usually accumulate software code and habits (such as game model development companies), and most of them rewrite

This would be a huge waste of resources. So what if I collect the software data that I've done to make it easier to use next time?

Fourth Chapter fifth Section

We all know that the same program requires 1000 different programmers to have 1000 different ways of writing but when a two-person team perhaps more people, then won't be can not accept other people's procedural thinking, then what should be done??

Chapter Fourth Section III

This is about the development process, which refers to a waterfall pattern, is it the case that most software companies in the society are using waterfall model development software?

The first five chapters of the construction of modern software engineering reading Impressions & Puzzles