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顾涧却误会了，以为她是急着要赶回家，把这消息告诉爹娘，便好心道：周姑娘家住何处？朱县令，派人送她们回去。"Dioscorea cirrhosa dye"他先前并不想让严党如愿，始终点严党以外的能人过去，现在好了，再掰扯下去都要被清理干净了。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?"The argument list of the delegate DoSth and the argument list of the method Print remain the sameAttacks directed at specific applications are generally covert, smaller in scale and more targeted.