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说着接过竹简，拆掉上面的火漆封印，展开阅读。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.据他们看来，不是郑氏就是小葱，绝想不到是香荽。这不是我第一次和扮演Kaji的胜村一起演奏，但这是我迄今为止第一次一起演奏。他谈到了胜村对“从屏幕上感受到的善良幽默的人”的印象，并称赞了气氛。"Good, good, great! I like to hear grandma tell stories best!" As he spoke, he happily cocked his two little feet and went up and down.In any case, IT is an attractive business!又对郑长河道：外公，到时候你想啥就说啥，实话实说肯定不会错。