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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.别人在组团刷副本，你在噼里啪啦地敲着键盘。圣诞前夜，魔法力量, 神秘涌动。平凡少年步凡，博物馆之夜触碰奇书，进入恢宏魔法大陆。 异世，异国，异族，异兽，步步惊奇。无坚不摧的石人族少年斯通，强大美貌的鲛人族王子梅里尔，娇憨活泼的兽人族少女喵呜，步凡和伙伴们，能否修得强悍魔法、进阶为王国守护者？历险各国，阴谋丛生，他们能否赢得正邪大战的终胜？他对星象之学造诣很深，一直乐此不疲，希望能从中窥破几分天机，使得行事人间游刃有余。故事从疗养院开始,表面上傻子龙魂(Umm)饰在其舅舅专门设立的疗养院里幸福生活,暗地里却备受欺凌.原来龙魂是巴叻集团的继承人,唯一的情人舅舅(Nirut)饰觊觎龙魂的巨额财产,将其药城弱智囚禁于此.而自己却一跃成为集团的继承人.该阴谋被善良的古恩(Benz)饰与疗养院中的好心医生湄提发现,...Deep water torpedoes (fill in the quantity by oneself)娘说，帮急不帮贫，不要做烂好人。