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所以这些事情全当没听见，全力帮助尹旭就是了。FlyWeightFactory is responsible for creating and managing meta-units. When a client requests, the factory needs to check whether there are eligible objects in the current object pool. If so, it returns the existing object. If not, it creates a new object. FlyWeight is a superclass. When it comes to shared pools, It is easy to think of JDBC connection pooling in Java, Considering the characteristics of each connection, It is not difficult for us to sum up: Applies to several objects that are shared, They have some common attributes, Take the database connection pool as an example, url, driverClassName, username, password and dbname, these attributes are the same for each connection, so it is suitable to use the meta-sharing mode to process, build a factory class, take the above similar attributes as internal data and the others as external data, and pass them in as parameters when calling methods, thus saving space and reducing the number of instances.临淄，齐王宫。你们要杀人，杀我便是，不许伤了婆婆。韩庆扬鞭，催动马车出了院子，葫芦兄弟几个骑马跟在车后。? ? ? Codeblock installation steps:ABC已续订《初来乍到》第三季。