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她难受地指着众人道：你们……这么多人，让一个老娘们耍得团团转，不嫌丢脸？真要是没权势，我也就咬牙忍了。Update 2017/4/18客人踏入屋中的时候，立即发现了不妥，长剑嗖的出鞘，一个女声叫娇叱道：谁？别紧张，是我，知道你回来，怕你害怕特意在这等你的The picture shows Mr. Sun (first from left) accompanying the students to visit the factory.郑氏一想也是，又笑道：明儿九月初三，是你跟小葱生日。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./sob (crying)