中國青年

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.差役干笑道，何员外算账肯定比我强。该剧根据鲜橙的小说《掌中之物》改编。讲述了女主柯滢为保护自己和家人，与不法势力斗智斗勇，并联合为警方办案提供线索的外卖小哥小武，暗中搜集封氏集团犯罪证据，历经重重困难，协助警方终以正义战胜邪恶的故事。在培养猎人的“信标学院”中相遇的怀斯、布莱克、姐姐杨一起组成“RWBY队”的露比。那么，如此一来，问题的关键就是到底要倒向哪一方？当然了，选择的一切基础都是建立在生存和利益上。该剧讲述的是1948年，硝烟弥漫的关中大地上，在犬牙交错的战场情势下，猛虎营女营长陈大蔓临危受命：护送我军一支身怀六甲的孕妇队紧急转移。几十名怀有身孕的女兵在远离大部队、紧急向后方转移途中，不幸进入敌纵深部，被层层裹挟其间，险象环生。敌军为获取情报，对这支特殊的娘子军步步紧逼，穷追不舍。陈大蔓和姐妹们不屈不挠，在沟壑山涧、村前屋后、街巷树丛间与敌展开了巧妙的周旋，以无畏的勇气和智慧冲破敌军和土匪的围追堵截，克服了险恶环境下的重重困难，终于走出战争的硝烟，胜利归队。