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The modified status is: niuA total of 28 major events and 301 minor eventsDifferences 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.兰顿失去了他的父亲阿德洛克，现在已经在边境城镇贝尔福雷斯特参加了塔州联盟军校。I am an ordinary teacher, The salary is not high either. The money invested is saved and saved by oneself at ordinary times. When I heard something happened to the investment family, I felt that I suddenly lost a lot of hard-earned money. It was hard to avoid heartache, but I could not sleep or eat, because I had certain psychological preparation before investing: investment would be risky and I was willing to accept defeat by gambling.