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1.職責鏈模式(Chain of responisibility)java.util.logging.Logger#log()javax.servlet.Filter#doFilter()2.命令模式
1.適配器(Adapter)java.util.Arrays$ArrayList(java.util.Arrays#asList()); 這里要特別注意,這里的ArrayList是Array
A.創建型模式抽象工廠(Abstract Factory)javax.xml.parsers.DocumentBuilderFactory DocumentBuilderFact