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一个自由奔放的女孩在一次深夜聚会后，发现自己赤身裸体地躺在一座废弃的建筑物里，这让她震惊不已。宋义不以为然，不屑道：项羽你有资格说话吗？看来弑杀亲叔的都做得出来，还有什么不敢的？出兵救赵你和尹旭叫嚣最为激烈，如今看来这出卖大楚，勾结秦人你也有份参与？你!项羽怒火中烧，宋义今日行诬陷之事本就惹人愤怒。刘宇文这个安静的读者已经忍不住大声爆出粗口。(2) Another additional benefit is that when the request arrives, the worker thread usually already exists, so the execution of the task will not be delayed due to waiting for the thread to be created, thus improving the responsiveness.1D) Practicality and skepticism. When looking at shallow reference books or looking up materials on the Internet, you should type (copy or copy) the code and run it yourself. You should modify other people's source code more and put forward your own opinions: why is the book not designed like this and why is it designed like that? What if you add some methods, method parameters, or member variables? You must do it yourself, at least run it. In addition, we should dare to ask questions and make bricks to bloggers. You can even question the commentary and intention of some chapters of GoF, not to mention some bloggers.