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Chapter 31夜幕已经降临。テレパシー・ラブ 水野真紀 生瀬勝久In real life, China's income tax is divided into enterprise income tax, foreign-invested enterprises or foreign-invested enterprises income tax and personal income tax. For these three types of income tax, each is calculated in a different way. Personal income tax has a personal income tax calculation method, while enterprise income tax has its corresponding calculation method. If we do not adopt the policy mode to realize such a requirement, we will define an income tax class, which has an attribute to identify the type of income tax and a CalculateTax () method to calculate the tax. In this method, we need to judge the tax type and calculate the income tax for different tax types through if-else statements. Such an implementation can indeed solve this scenario, but such a design is not conducive to expansion. If the system needs to add an income tax in the later period, it has to go back and modify the CalculateTax method to add an additional judgment statement, which clearly violates the principle of "open-closed". At this time, we can consider using the strategic mode to solve this problem. Since the tax method is the changing part of this scenario, we can naturally think of abstracting the tax method at this time, which is also the essence of the implementation of the strategic mode.凯特·贝金赛尔将出演8集惊悚剧《寡妇》(The Widow，暂译)。亚马逊、ITV联合出品，哈里·威廉姆斯、杰克·威廉姆斯(《伦敦生活》)担任编剧及执行制片。故事讲述一个寡妇(贝金赛尔饰)在新闻中突然看到已故丈夫依然健在，这一切背后究竟隐藏着什么？该剧将于本月在南非、威尔士、鹿特丹取景拍摄。Merlot, with the most extensive appellations of "Merlot" and "Merlot", is a red grape variety that only appeared at the end of the 18th century. It is planted in most of Bordeaux's producing areas, accounting for 58% of the total grape planting area, and is also the most widely planted grape variety in France. The wine brewed with Merlot as a single product has high alcohol content, is famous for its fruity aroma, soft tannin texture, round and thick taste and low acidity.黎章深吸了一口气，上前朗声道：将军为何要杀副将军？何霆身后两位副将军同时出列喝道：大胆黎章，敢质疑将军？何霆举手制止二人，看着黎章寒声道：他欺下瞒上，冒领军功，难道不该杀？你在本将军面前揭发真相，难道不是想得到这个结果？不知为何，他对这个黎章就是没有好感。