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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.It can be clearly seen that after the photo is reduced by reducing the exposure and noise, the photo is pure and undistorted.Shanxi Province经过蛋疼哥的启发，书友们纷纷开始脑补。一个黑道老大，生了一对双胞胎儿子，为了让他一个儿子将来有出息，不要在黑道上打打杀杀，就把他送给了一对夫妻，这对夫妻把他培养成了一个警察，他们之间互相的明争暗斗。最后，板栗那船本是在前的，却被葫芦他们反超，得了头名。医生刘文（梁朝伟 饰）表面是个玩世不恭的人，但他实际非常细腻、洞悉世情的人。他厌恶不公的医疗制度，决定到红灯区经营诊所。醉心医学的他医术高强，面对贫苦大众好施医德。在他的病人当中有英勇的警员（刘青云 饰）、风月女子等等。他除了医治病人身体上的伤痛，还乐于倾听这群草根的心声，成为了他们的好友。但他却被昔日的好友陷害，刘文面临被吊销医生执照的危机。