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Resource consumption class is a typical DDoS attack, the most representative include: Syn Flood, Ack Flood, UDP Flood. The target of this kind of attack is very simple, that is, to consume normal bandwidth and the ability of protocol stack to process resources through a large number of requests, thus achieving the purpose that the server cannot work normally.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.When the child was ill at night, his wife went to the hospital anxiously with the child in her arms. He was outside to socialize without knowing anything about it.第七季以百年一度的大流行病导致世界各地的医疗崩溃为舞台，新局面迎来是日本最高峰的教学医院—东帝大学医院，把感染治疗和内科作为重中之重，并计划推迟不必要的紧急手术。曾经知名的外科被移往分院的大楼，内科医生推广不使用手术刀的化学手术，显示出兴起的迹象。被感染危机和东帝大新权力席卷的未知子，在如同战场般疲惫的医疗现场也毫不退缩地走上了自己的道路。The death toll in France is about 300,000.漫画杂志的编辑町田和子（吉川爱饰）虽然非常喜欢美丽的东西,但因过于沉迷于工作而将自己外表打扮成次要,与化妆也很完美的时尚店店员相马周（板垣李光人饰）之间的恋爱故事。