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Differences between simple factories and factory methods: Simple factories and factory method patterns look very similar, especially specific factories in simple factories and factory methods. Simple factory, all things have been done in one place. However, the factory method creates a framework for subclasses to decide how to implement it. For example, in the factory method, the OrderPizza method creates a general framework to create pizza. The OrderPizza method relies on the factory method to create specific classes and make actual pizza. It is possible to decide what the actual products manufactured are by inheriting the factory. Simple factories do not have this flexibility.The depth of side V groove can reach 0.6 mm.随着国内改革的开放,各国贸易集团纷纷进入这个广大的市场,国内的企业家也在这波热潮中,积极寻找合作的伙Methods:蔗糖女王第二季现已开播，英语中字。 第二季即将如期而至的登陆,一个全新的生活让主角开始适应,不管他是否愿意,都必须承载这些,也许这不是年轻人该有的生活,但祖上的事业也不是说放弃就能放弃的.@www.vv4.cc海瑞双目一瞪，状书何在？徐文长立刻反驳：海大人文书何在？在。//Code Initialization