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The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.李敬文见她撑住胳膊望着自己吃，顿了下问道：你不吃？小葱这才想起来。View the container status and go to the container authentication/data directory:　　在画面上，这次狼羊的道具与能力将更突出，画面表现力更强，创意的发明会让人有所启发。同时,羊狼两族之间还会有新角色加入。至于剧情上，羊村面对进化的狼族部队，命运将会如何？是谁把灰太狼变成了一只可爱的宠物狗？听说羊村还会上演“无间道”，到底谁是卧底？2019年寒假，这些谜底有待被一一揭开！Arbor Networks' Pravail Availability Protection System (APS) is specially designed for enterprises. It provides DDoS attack identification and mitigation functions that can be used after opening packages and have been tested in practice. Such functions can be deployed quickly with few configurations and even in the process of attack occurrence.青梅竹马的米阳和韦晶偷偷恋爱已经有一段时间了，之所以要瞒着双方父母，是因为身为外企白领的米妈妈一直看不上大专毕业、没个正经工作的韦晶。但随着恋情的曝光，两家的冲突也爆发了。米妈妈逼着优秀帅气的米阳找一个“高学历、高智商、高情商”的“三高”女友。为了维护爱情，成为米妈妈眼中的精英人士，韦晶决定勇闯“外企”。阴错阳差，她竟然进了某世界五百强外企工作，成为了“洋气”的白领。可是本来身为优秀刑警的米阳，却因为一次工作失误，被调职到社区当片警。两个人的身份彻底对调，这种落差也让他们的爱情充满考验。两个年轻人一边调试心态，一边努力工作，面对生活中的磨难和工作上的烦恼，他们用爱情给予彼此勇气。面对生活的坎坷，谁都不敢自称“精英”，唯有坚强乐观，才能收获幸福。