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板栗见暂已完毕，含笑朝四周拱手告罪后，便上了马车"As long as they are hit, they are basically shot one at a time. The lethality of steel balls is much smaller than that of bullets. A dozen or twenty bullets can also kill one. They are animals after all, and they are still afraid of bullets. However, the speed is fast and it is really difficult to deal with." Liu Guangyuan said.10.1.4 Non-pathological hematuria is qualified.We found that it was not very difficult to realize it ourselves, and Spring actually did so. In this way, IoC is actually an upgraded version of the factory model! Of course, to do a mature IoC framework, there is still a lot of detailed work to do. Spring not only provides a Java IoC framework that has become the industry standard, but also provides more powerful functions, so don't build wheels! If you want to know more about IoC implementation details, you may as well learn Spring's source code to deepen your understanding!　　多年未见的兄弟重逢，行窃同样靠脚步。《大城小爱》以都市情感和社会百态为基调，通过展现都市人群的职场、生活、家庭等各个生活层面，以小见大的洞察现代人的都市生活，力争打造出一部现实版的浮世绘。The observer mode defines a one-to-many dependency relationship, allowing multiple observer objects to monitor a certain topic object at the same time. When the state of this topic object changes, all observer objects will be notified so that they can automatically update their behaviors. The specific structure diagram is as follows: