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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?"Don't talk about love, love either looks at face + temperament, or shares weal and woe, or achieves each other.Continue printing the public properties and methods as follows:《爱在零纬度》故事原型是根据中国投资的国华印尼南苏电厂中国员工与印尼姑娘的真实爱情故事改编而成。主人公陈昶与印尼姑娘诺娃相识相爱的恋情，跨越国别、文化、宗教的种种差异，最终修成正果。Is there any way to prevent such attacks? First, expand the broadband of the server; Secondly, choose TCP protocol as much as possible. Finally, some enlarged return packets are directly discarded.杜鹃从西庄改嫁到东庄，在搞好东庄蔬菜专业合作社的同时，又帮助西庄发展经济。展示了一位普通农村妇女高尚的人格魅力，展现了和谐社会下普通老百姓的幸福生活，讴歌当代好人精神。故事悬念迭起，妙趣横生，情理之中，意料之外，地方特色浓郁，主题积极向上。**********板栗从孔雀王府出来，有些茫然。