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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.罗思拉（Kelly Sheridan 配音）天真可爱善良迷人，一场可怕的海难之中，她成为了幸存者流落到了一座荒岛之上还失了忆，险恶的环境之下，一直以来衣食无忧的罗思拉能够生存下去吗？幸运的是，这座岛上居住了一群友善的动物朋友们，在小熊猫、大象宝宝和孔雀的帮助之下，罗思拉生活的很快乐。TVB2019年播出的《白色强人》收获口碑及好收视，一众演员在2020年1月底出席剧集庆功宴，TVB高层现场宣布预计2020年10月将开拍《白色强人2》，大家都拍手叫好，而马国明当时就率先透露将会是原班人马继续出演，三届视帝郭晋安也表示已为公司预留了2020年10月的档期回来拍剧。郑氏见他兴头的模样，沉吟了一下，道：还是你一个人去吧。郑武心中一阵开心，以后还能继续愉快的看天启的小说。SYN flooding attacks can attack with fewer packets than ordinary brute-force DoS attacks that only send a large number of packets to the target network. However, this requires some understanding of the server's operating system, such as how much backlog queue space it allocates and how long it will keep the TCB in the SYN-RECIEVED state before timeout and discarding the TCB. For example, an attacker can send a certain number of SYN packets that are exactly the size of the backlog queue, and their cycles are just the time when the TCB is recycled, thus making the server permanently unavailable.两个女人从“面和心不和” 到相互理解，不管未来再多风雨，也会扛着这个家，一起面对。