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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.桐山涟#主演4月东京电视台广井王子原案新作的深夜剧《CODE：M コードネームミラージュ》，要润、佐野ひなこ、武田真治、萩原圣人、石丸谦二郎共演。4月7日开始每周五深夜1：23播出~2, should fish, not cast a net母爱是无法埋葬的3 Requirements of JIT Production Mode for Logistics电视剧《爱已成殇》中，wich家族是一个富有的家族，过着奢华的生活，拥有一座大房子，并且是radon建筑公司的所有者。Phrasi先生及其妻子Angkab管理着公司的日常事务，但自从他们遭受到噩运，发生车祸后，他们三个子女的人生开始发生着重大的变化。长子Asith和妻子Laida开始管理公司的事务，长女Aracha负责管理家里的庄园。最小的女儿Anuth在英国读书，由于家里经济发生变化，Anuth必须要找到资助者，她得到了一位名叫Pha的泰国长者的帮助，因为Pha死去的女儿也叫Anuth 之后Radon建筑公司被一名叫Krao的年轻富豪雇佣，为其建造一所价值百万的酒店。