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Behavioral pattern is an abstraction of dividing responsibilities and algorithms among different objects. Behavior patterns are not only about classes and objects, but also about their interactions. Behavioral patterns can be divided into two types: class behavior patterns and object behavior patterns.说笑而已，我不至于真的攀比。Https://www.kotsu.city.nagoya.jp/jp/sp/SUBWAY/TRP0001486/TRF0013526. PdfWinter is the season of the year when lobsters are fewest, But the price is high, In recent years, From September 1 to December 31, the wild crayfish will be banned. This policy has always been in place, But I haven't seen the execution. Due to the habit of digging shrimps in winter, When people dig it, because they don't raise it by themselves, they don't have to put back the small eggs. It belongs to extinct fishing. Unless it is not found, it will also result in fewer and fewer lobsters in the second year. This is basically the pattern in recent years. The overfishing of people with high prices in the previous year will result in a large reduction in production in the second year. This person who often catches lobsters has deep experience. In recent years, it is more and more difficult to catch lobsters year by year.于是今日一早，夫妻二人就安排起来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:……《笑傲江湖》之所以吸引人，不仅是它跌宕起伏、波谲云诡的情节，更是因为小说通过一系列错综复杂的矛盾冲突，刻画一个个鲜明特异的人物。