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BeijingWe can see the above code; Player-to-player coupling code has been removed, However, all logical operations are put into the intermediary object for processing. Any operation of a certain player does not need to traverse to notify other players, but only needs to send a message to the intermediary. The intermediary processes the message after receiving it, and after processing the message, the processing result will be fed back to other player objects. The intermediary mode is used to remove the coupling code between objects. Make the program more flexible.一旦战胜了东胡，匈奴铁骑南下也是可能的。-Living is not easy. Living is a topic. No matter in primary school, middle school, university or old age, every stage of life is racking one's brains and making great efforts to complete the life answer given by God.Operating systems all have software firewalls, and Linux servers generally use iptables. For example, to intercept a request for an IP address, you can execute the following command.Attacks directed at specific applications are generally covert, smaller in scale and more targeted.命悬一线的迷人女子、寻找希望的白马王子、一群面临新转变、情同家人的朋友。他们的下一个篇章将会如何？