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About plant dyeing materials and hue, I would also like to share them here.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.-* on behalf of SPTD Cleaner SPTD-Cleaner.exe Same as SPTD-Cleaner.exe玉米也冷笑：哦？王府和刑部都在找她。CBS正式宣布续订#反恐特警队# 第二季。武大早上出门，在街上不小心被一辆车撞了，武大昏迷后被送到医院。昏迷不醒的武大梦见自己穿越到了宋朝，自己变成了武大郎武大郎从床上醒来，发现自己好像穿越了，他看到楼下潘金莲在和王婆聊天，他还看见潘金莲在熬药，他误以为潘金莲是要毒死他，结果是虚惊一场晚上武大郎看见潘金莲洗澡，色心大起，潘金莲也没有拒绝武大郎的要求.