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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?"江南某小镇，被葛家，陆家，杨家三大势力左右，三家财力相当，生意规模相同，表面上很融洽，暗地里却互相较劲，三家老爷使出各种招数，争夺着商会会长的宝座。元珍珠和哥哥元宝相依为命，靠珍珠的蜡染手艺糊口，元宝不务正业，整天泡在赌场里做着发财梦，每次都是欠了一堆的债回来让珍珠帮忙，珍珠善良美丽，是远近出名的蜡染西施。这晚，香儿舍不得大姐，偏林聪又是男儿打扮，不能把她留在自己房里同睡，只好炒了些南瓜子葵花子和山芋条，然后拉了她坐在厅堂里喝茶闲谈。红椒疑惑极了：咋帮人还错了哩？招弟又那么可怜。于是桌上呈现一派和乐情形，黄瓜、黄豆、青莲等人不停帮葫芦板栗几个搛菜，告诉说这泥鳅是自家晒的，那个腊肠是在下塘集买的……另一边，紫茄也帮小葱等人搛菜。　　永琰为了调查母后的下落，渐渐融入台湾生活，大啖台湾美食，更深深被台湾纯朴的百姓与习俗所吸引，日子一久，竟对素娘产生了情愫……