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Rome是个有女朋友的花花公子，但是rome的妈妈不喜欢他女友，觉得他女友不会成为好妻子，rome家和chom家从小就认识，交情很好，rome妈妈很喜欢chom，想让chom做她媳妇。chom本来有个男朋友，但是另一个女的也喜欢她男友，还告诉chom说她怀了她男友的BB，chom受了打击很伤心，于是就答应了rome的妈妈嫁给rome。One problem with the factory method pattern is that the creation of the class depends on the factory class, that is to say, if you want to expand the program, you must modify the factory class, which violates the closure principle. Therefore, from the design point of view, there are certain problems, how to solve them? We use the abstract factory mode to create multiple factory classes, so that once new functions need to be added, we can directly add new factory classes without modifying the previous code. Because the abstract factory is not very easy to understand, let's look at the diagram first, and then it is easier to understand with the code.Note: As the manufacturer will change the product packaging, origin or some accessories without any advance notice, our company cannot ensure that the goods received by the customer are completely consistent with the mall picture, origin and attachment description. Can only ensure that it is the original factory goods! And ensure that it is consistent with the same mainstream new products on the market at that time. If this mall is not updated in time, please understand!沙加路自然老谋深算，嗅出了不妙的味道。等她喝了一勺，自己又接过来舀了喝，然后把勺子递给汪老三。Introduction to the gameShanghai