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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?"黎水逃过一劫，心里高兴异常，咧嘴嬉笑道：嗳。讲述度过人生最后时光的男主（金正贤 饰），为了因为他而毁掉自己的人生的女主（徐珠贤 饰）而赌上全部、拼死奋斗的故事。这是一个真实描写了两个男女在恶作剧中交叉的人生的“女性方面”的故事。《大声呼唤你回来》是以一个盲人为主题的家庭伦理剧，讲述的是一个由意外致盲的女孩，遭继母抛弃，后被一个普通人家收养，女孩相继遇到了两个同样出色、同样深情的男人，在他们的帮助下成为歌星。其间围绕在这三位主人公身边发生的故事生动、曲折、感人至深，催人泪下。该剧由鼎龙达(北京)国际文化传媒有限公司、北京金腾世纪文化传播有限公司与东阳飞天传媒有限公司联合摄制。Knowing without doing is not true knowledge. Dreams without actions are no different from nightmares. And my nightmare of improving my speech ability is two years. For 14 years, I have a strong will to improve my speech ability. For 15 years, a leader told me with his own success that I can find good rules for good speech here.