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六名演员/歌手必须呆在同一个屋檐下练习唱歌和跳舞，这是“做我的男朋友2”项目的任务。但是他们不知道还有……在房子里！In recent years, due to the strong development trend of online education and quality education, the education field that combines the two has attracted many entrepreneurs and is favored by many capital. Among them, it is considered to be another emerging track in the field of online education after children's English-the cultivation of children's thinking ability, which has become the target of capital investment. From February 2017 to now, more than 10 financing incidents have been revealed in the related fields of online children's thinking ability training, and the frequency is increasing.Soon I saw Li Jianzhong's C # Object-Oriented Design Pattern Lecture on MSDN's Webcast. A very good series of lectures gave me a new understanding of design patterns. I realized that learning design patterns, specifically learning object-oriented design patterns, should start with learning object-oriented. "The principle of object-oriented is like understanding the rules of chess, and the design pattern is equivalent to a mess. I don't know what the rules look at." Since I have been doing ASP.NET development for the previous year, although I have been writing classes, learning Duwamish to make hierarchical architecture, typed DataSet and custom entity classes, it seems that I haven't used interfaces much in the past year, and I seldom use any polymorphism. In fact, the understanding of object-oriented programming is still very vague.最后还是要求一下收藏、推荐票。小葱笑问道：小舅，你咋不下去了？青山憨笑道：船小，蹲在上面摘菱角累得很。在童岳看来，赵敏只有一条路可走，鱼死网破，玉石俱焚，最后三败俱伤。