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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.整个故事都围绕着符金宝而发展。从小跟养父符小波在赌场混大，加上对赌确有天份，因而在赌桌上面赢尽甜头。可惜自视过高，在新婚前夕，一夜之间输得一厘不剩，更将未婚妻童花顺当注码，赌债肉偿。之后他得到赌王遗孀沈凤鸣的扶助，再次赢得名和利，但与此同时，却引来四面八方的敌人。其后不单童花顺离他而去、养父母突然失踪、唯一的知心朋友尖头也都出走，之后他更发现最残酷的事实，原来他的终极敌人，竟然是自己的亲生父亲王道……The whole sock body is treated with high elasticity, which ensures the compressibility of the product and makes the product fit more closely with the foot.该剧讲述的是金伟带着妻子珍妮琼斯和四岁的儿子查理金来到他阔别10年的故乡——北京，回到他的四合院。金德方为大儿子一家能回国工作高兴不已，逢人就说老大有本事，但他的高兴，无意间引起二儿子、三儿子、小女儿的隐隐醋意的故事。The strategic perspective of the financial industry can and should be widely extended to all walks of life.OEvent.stopPropagation ();我跟你说，我可是招女孩子喜欢的很，那天在街上，好多女孩子对我挥手帕子呢。