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要是她也倒了八辈子血霉，遇见那样一个人家，该如何是好？她自然不会想到打得满地找牙这一类手段，恓惶之下，不由自主地把目光投向黄豆：黄豆哥哥待她一向很好，爷爷又常夸他灵气灿然，前程未可量也。Iterator patterns are created for collection objects, For collection objects, It must involve the addition and deletion of collection elements, and certainly supports the operation of traversing collection elements. If the traversal operation is also placed in the collection object at this time, the collection object will bear too many responsibilities. At this time, the responsibilities can be separated and the traversal of the collection can be placed in another object, which is the iterator object.The third adapter mode is the adapter mode of the interface, The adapter for the interface is as follows: Sometimes we write an interface with multiple abstract methods, When we write the implementation class for the interface, All methods of the interface must be implemented, This is obviously wasteful at times, Because not all methods are what we need, Sometimes only a few are needed, In order to solve this problem here, we have introduced the adapter mode of the interface. With the help of an abstract class, the abstract class implements the interface and all methods. However, we do not deal with the original interface, but only get in touch with the abstract class, so we write a class, inherit the abstract class and rewrite the methods we need. Take a look at the class diagram:Distributed Denial of Service Attacks: Multiple attackers in different locations attack one or several targets at the same time, Or one or more attackers take control of multiple machines located in different locations and use these machines to attack the victim simultaneously. This kind of attack is called Distributed Denial of Service attack because the point of origin of the attack is distributed in different places.第二，找方家帮忙，用飞鸽传书回清南村，把消息在青山书院和下塘集散布开，什么方家、贺家、村里的，都可以来。