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Table tennisThis section mainly introduces the splitting strategy.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.(two) the qualification is cancelled according to law, continue to engage in social fire technical service activities;周凯婷她有一个交往八年的男友泽杉，在漫长的时间中他和凯婷之间早已没有了爱情，努力无法修补两人之间的裂痕，只会徒增双方之间的不信任和压力。这时泽杉喜欢上了秘书柔昕，最终凯婷与他落寞分手。在一次新品发布会中凯婷意外结识了苏灿，并将他打造成了著名的素人彩妆师，成为了公司形象代言人。凯婷与苏灿在低谷期相互扶持，在经历了重重磨难之后二人都得到了成长与历练，二人互生情愫一吻定情，姐弟恋情终于有了美好的结果。单亲母亲莉莎爱上迪威，但因惧怕婚姻的再次失败，拒绝了迪威的深情告白，忍痛与迪威分手。迪威反而因莉莎离开时眼中的不舍而恍然大悟，决心要给莉莎幸福。在莉莎儿子的助攻之下，二人终于捅破这个，戚将军军务繁忙……沈悯芮怒视杨长帆。得桂生及傲天扶助，金棠气势如虹，只手遮着上海半边天。及后与啸山与傲天合作成立三铿公司，令他于上海的身份地位更见显赫！金棠搭上著名歌女祝绮虹（沈卓盈饰），左右逢源，尽享金银钱财、齐人之福，徒添几分霸气。