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起不了床？读书记不住？你被烦恼星人入侵啦！ 根据宇宙最强大脑女娃博士的追踪研究，原来人类的烦恼不全是天生的， 可能是由负能量体烦恼星人制造出来的！想要打败负能量，就要依靠正能量， 于是女娃博士就以勇气与快乐为元素，创造出了超迷你战士--迷你勇与迷你萌！ 他们以超迷你的体型打败可恶的烦恼星人，让人们重新过上幸福的生活～ 你，是不是也有数不清的烦恼？快呼叫超迷你战士！！！MP10-518-DP5M-A5DF-F99AThe 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.宁静郡主柔声道：无需客气。在幻兽大陆上，在这块人类居住的大陆上，不同的幻兽决定了不同的命运，一个平凡的孩子，进入了这个幻兽大地，并如何成为幻兽王的故事。What is then implemented is这里是梦世界。是欲望、希望、绝望成形的，意识与无意识的夹缝间。