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Adidas's brand-new players' socks for Japan's national team continue the same "color" appearance as the jerseys, and the front of the socks is added with the same word "JAPAN" as the World Cup typeface. Of course, the most attractive thing is that this player's version of socks adopts the combined design of middle-help socks and independent socks, so that many players who like to wear various "magic socks" can combine and match according to their own preferences, and no longer need to consider how to cut socks. In addition to Japan's national team, other national teams sponsored by Adidas will also be equipped with this sock with separate design.7.2 Firewall and AgentFactory method pattern refers to defining a factory interface that creates an object. Its subclasses determine the classes to instantiate and postpone the actual creation to the subclasses. It emphasizes the change of "single object". The main points of its implementation include:(3) Decoration occupancy time is clear