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讲述极富魅力的美国富一代传媒大亨麦克斯与英国女继承人凯瑟琳离婚后，他们的儿子凯登经营着父亲的报社，还将追随父亲的脚步，登上权力巅峰。不幸的是卡登自毁前程，整个家族企业和处在变革边缘的国家岌岌可危…/bye (Goodbye)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.Iterator patterns are created for collection objects, For collection objects, It must involve the addition and deletion of collection elements, and certainly supports the operation of traversing collection elements. If the traversal operation is also placed in the collection object at this time, the collection object will bear too many responsibilities. At this time, the responsibilities can be separated and the traversal of the collection can be placed in another object, which is the iterator object.黎水盛了两碗汤，对她道：大哥，咱们以汤代酒，来喝一碗。So it is impossible to match the case, so the result is? Do not know小葱并未觉得不妥，一边扯一边笑嚷道：小舅，人家就想亲自掰篙瓜玩么。