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For example, to eat lobster, lobster has three methods: steaming, sashimi and ginger. In fact, some steps of the three methods are the same, such as washing lobster and steaming lobster, but the steps are different. Besides, we can order some when we want to eat, and we don't have to care about how to do it.Number of plaintiffs: multipleTasteIn terms of curriculum system construction, most companies take "mathematical thinking" as their entry point. Among them, Growth Insurance benefited from its early establishment. In addition to mathematical logic thinking courses, it also launched a series of courses on language logic thinking, concentration and memory. At present, all courses have been launched. However, the curriculum contents of institutions such as spark thinking, one-off mathematical thinking and talent communication have only completed phased research and development and have been put on line, and some contents still need to be developed.A variety of schemes, the specific implementation can refer to the above introduction.Therefore, learning design patterns, The first thing to do is to understand which aspects of design patterns are available to developers, Then, the principle, timing and method of each design pattern are studied respectively, that is to say, under what circumstances should a certain design pattern be used? When understanding the timing of a certain design pattern, it is also necessary to understand what consequences will be caused if this design pattern is not used at this time. After understanding the principle and usage of each pattern, more importantly, learning the object-oriented thinking mode, after mastering the object-oriented thinking mode, looking back at the design pattern, you will have a deeper understanding. Finally, learning the design pattern, you must study hard and practice more. "I agree with the last sentence very much."