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The above is only a model of "Long En" bicycle, If you need to generate other types of bicycles, Other subclasses can be written. The most important advantage of factory mode is that some of the same methods can be implemented. We can write code in the parent class for these same methods. If we need to implement specific business logic, we can rewrite the parent class's methods in the subclass to implement our own business logic. In terms of professional terms, there are two points: First, weaken the coupling between objects and prevent code duplication. Instantiating a class in a method eliminates repetitive code. Second: Repetitive code can be written in the parent class. Subclasses inherit all member attributes and methods of the parent class. Subclasses only focus on implementing their own business logic.The reporter stations of the New York Times in all parts of China (including Hong Kong) are under the control of the chief reporter of the Shanghai Branch in China, regardless of finance, personnel and reporting services. Aban has been the chief reporter in China for 12 years since 1929. The positions of editor-in-chief and publisher of the New York Times have been changed one after another, but his position is as stable as Mount Tai, because his business is exquisite and comprehensive, and it is difficult to replace him at will. In 1940, Aban finally left China, but instead of being transferred back by the headquarters, he was unable to hold back the Japanese's repeated attempts to physically destroy him, so that US Asian Fleet Commander Hart could not see him and forced him to avoid him.当汉军组织起来的防御阵势完全被越国骑兵冲了七零八落，一群零散的，混乱不堪，惊慌失措的汉军如何能使越国大军的对手。L以自己的生命为代价设下陷阱准备一举击溃夜神月，不料，多年的搭档渡意外身亡。L决定在自己最后的23天中解决渡所留下的任务。直升机送来了一箱给渡的礼物，里面竟是一个男孩——他是遭灭顶之灾的泰国小村的唯一幸存者。L从男孩随身携带的磁碟资料中得知，该事件与恐怖的杀人病毒有关。此时，少女真希带着父亲的遗物来找渡，她也是这场阴谋的受害者。追踪而来的杀手已然赶到，L带着两个孩子开始了逃亡。只剩6天了，L决定与阴谋者决一死战。沛薰和阿澤是彼此的初戀，在大學相戀四年，從轟轟烈烈到相知相惜，始終是旁人欽羨的班對。大學畢業後，阿澤隨即入伍，沛薰則開始找工作，兩人相約一起存錢，要在阿澤退伍後，一起去他們心中的巴黎。阿澤抽到金門，入伍後，月有八千元收入，多少可以存點錢，但是，時值經融風暴，沛薰根本找不到工作，在求職四處碰壁下，沛薰越來越心慌，此時，沛薰遇見了大學學姐惠婷，惠婷在幫寶叔做事。萝苹原以为自己是位孤儿，受不了姑婆的虐待逃离家里。一心前往与父亲的小木屋在街上流浪遇到一对毛和老鼠汤姆和杰瑞患难见真情.他们从原来的排诉到后来的携手合作帮萝苹找到了父亲。便是张杨，也已经明白了其中关窍，不过并没有插话。