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板栗对小葱道：这两个人像是望风的，在等人，好把咱们一网打尽。If I were to implement a pizza ordering system, I would definitely write the code like this, because this kind of code can be written subconsciously without consuming our brains. However, take a closer look at this code: the purpose of this method is to order pizza. However, the code for ordering pizza also needs knowledge about the production of pizza. This method must know all pizza. Worse still, if the types of pizza are to be expanded or pizza with poor sales volume are to be deleted in the future, then the code for ordering pizza will be modified. It looks very bad and should be revised. Our first step must be to separate the code for producing Pizza from the code for ordering pizza, because you should not let the code for ordering Pizza know the logic for producing pizza, but should hand over the logic for producing Pizza to a special type. In this way, we can cope with future changes-if we want to add or delete pizza, we can directly modify the producer of pizza without affecting the logic of ordering pizza.How do foreign students directly enroll in the college entrance examination in Tianjin, and what are the specific procedures? What about the high school examination and the status as a student? How to get into the university and how to deal with the status as a student?虽面临着各灵魂和身体主人家族带来的双重麻烦，但来自乐观女主的鼓励，让他更加坚定要完成任务，以继续活下去，只为与女主长相厮守！　　在这座联邦女子监狱内，帕波遇到形形色色的女囚，第一次领略到“监狱文化”，她将要处理各种各样的问题。尽管认识了一群性格坦率的女囚犯，但她的牢狱生活绝不会一帆风顺……渐渐的，大众产生了一种看法，星海才是网络站中的王者。