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后苏角调回上郡，在王离手下为将。Grape variety在这个烹饪方式花样繁多的时代，烧烤成为了一把打开人类先...I. RoleIt is precisely because the seriousness of learning this matter belongs to education in a broad sense that the cost of making content is very high. From the syllabus to the courseware to the final presentation form, many adjustments and corrections need to be made.娘依了你，你也要依从娘。After understanding the history and classification of design patterns, how should we learn design patterns? Before learning the design pattern, readers must establish a kind of consciousness, that is, the design pattern is not only a method and technology, but also an idea and a methodology. It has nothing to do with the specific language. The main purpose of learning design patterns is to establish object-oriented ideas, program to the interface as much as possible, with low coupling and high cohesion, so that the programs you design can be reused as much as possible. "Specious. Learning design patterns can better understand object-oriented ideas. Design patterns are some design skills and tricks. Don't rise to ideas and methodologies, okay?"