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The execution results are consistent with the previous code, but the benefits of using the state mode are obvious. It can localize the relationship between each state and its corresponding behaviors, which are scattered and encapsulated in their corresponding state classes, making it easy to read and manage the code. In addition, the switching between states is distributed within the state class, which makes it unnecessary to write too many if, else conditional branch languages to control the switching between states.I have been studying DDOS attacks recently and have read through the book "King of Destruction-DDOS Attacks and Prevention". The book is very detailed about DDOS attack methods and prevention, which is recommended to read, and summarizes the DDOS attack methods in this book.3.5The specific UML structure diagram is as follows:好了，好了。家常菜是家庭日常制作食用的菜肴,家常菜，是中菜的源头，也是地方风味菜系的组成基础；家庭利用现有的调味品也可以炒制出的菜肴。家常菜反映了上世纪七十年代末的一群人的平凡生活。该剧用对小人物生活细节的刻画，以及柴米油盐的百姓生活为主调，用温情又充满波折的故事剧情吸引观众视线，令人感到亲切和共鸣。