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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?"学到到底在谋划什么大事情呢？为什么说是在破坏他的梦想呢？特长生2毕业季 9月6日晚上20:30分 GMM25台播出！"These DDoS attacks have developed very rapidly recently, and each new attack adopts a different implementation strategy from the previous one," said LynnPrice, a security strategy expert in IBM's finance department. In essence, the attacker's strategy aims to improve his own attack capability, with the help of advanced infrastructure and application pointing tools, and to realize the automation of attack activities.　　Season 4, Episode 6: The Bruce-Partington Plans《布鲁斯帕廷顿计划》27 April 1988　　天兵一号赖虎(林道远饰演)，虽然外形壮硕，名字罢气十足，但却是个本性懦弱、胆小如鼠的纸老虎。他被黑社会教父老爸把他送入军中改造，是否能脱胎换骨，蜕变为铁铮铮的男子汉？　　五道七贞，行侠仗义，天下空门英雄辈出。The order is matrix photometry, central key photometry and spot photometry.