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白果嘀咕道：小姐，干嘛对他这么好？香儿道：看他样子，必定是有钱人家的孩子，没吃过苦的。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?"身份神秘的petter叔出于某种特殊的目的，出资盘下了夏田家园一个即将开业的健身房，也顺手接下了善良又倒霉的健身教练马飞，憨憨的游泳教练大伟和古灵精怪的前台小咪三位员工，又在招聘市场“捡回”了行为古怪的亲亲作为会计和厨娘。原来是这样，怪不得刘奶奶见说东家说西家，他都不称心。French colony: 114,000Incident: Around March 2018, a female performing arts student claimed to have been sexually harassed by famous director Cao Genxuan.