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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.任教主，我可是一直念着你的好，你不该来这儿，更不该伤了我的莲弟。这场战斗拼的不是准头，而是弹药数量，到达最远射程就开始打，不遗余力的打。年轻的卢卡斯和他的宗教姑妈住在一个安静的乡村小镇上。但这个小小的焦虑生活是由慈善阿姨宣布刚从监狱里出来的另一个侄子马里奥的到来而来的。女鬼钟情马素, 央父亲提亲, 但马怕鬼拒之; 女鬼制造车祸, 令马暗恋的红卜卜当场毙命, 然后借尸还魂, 向马投怀送抱, 马喜不自胜. 后马被刻薄老板开除; 女鬼即施计惩诫老板, 令他破产且神经失常. 当马得知红为女鬼化身, 惊惧万分。Molly Dunn（Jhey Castles 饰）从小热爱地理，她曾在半夜做实验闹得家人不得安宁，但是她并不是一个十分幸运的孩子，父亲很早就死于一场地震灾害中。长大后Molly成为了一名地质学家，在一所大学教书，某天她正在做一项预测地震的试验，安放在各处的传感器数据显示即将会有一场大地震发生，她必须通知所有人撤离，但是她的力量实在太薄弱了，并没有人愿意听信她的预测，地震如期而至，她只有与时间赛跑，尽可能的拯救更多的人。