欧美区 亚洲区

Do you recognize who it isFlyWeightFactory 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.《废柴联盟》是一部机智、生气昂然的喜剧片，一直名列最独出心裁的原创半小时电视节目榜首。这部喜剧围绕着一群紧密团结的朋友，他们遇到了可能是世界上最糟糕的教育机构---格林德尔社区大学。两列火车发生了对撞的惨剧，131名乘客不幸遇难。唯一的幸存者大卫醒来后发现自己在费城医院的急诊室中，更奇怪的是他不仅得以生还，而且全身上下一点儿伤也没有。这次事件引起一个名叫伊利亚的黑人的注意，伊利亚天生手脚残废，命运多舛的他认定大卫身上有某种超自然的力量。男主角大卫能如此幸运地躲过劫难，究竟是老天的恩宠，还是冥冥中有不可思议的邪恶力量在控制著他？在伊利亚的引导下，大卫逐渐发现了其中的秘密…… 　　布鲁斯威利斯扮演的大卫是一位遭遇家庭危机的中年男人，在大学体育馆从事保卫工作，以前曾是美式橄榄球运动员。在一次从纽约返回费城的路上，大卫乘坐的列车发生事故。车上的乘客除了大卫全部遇难，而大卫却毫发未伤。当地媒体报道了这一事故，并特别提到了唯一的幸存者大卫。 　　影坛鬼才王晶早期一部具国际视野的动作电影，全片除了充满越战式的游击战斗，还有传统的埋身肉抟，并在泰国实地取景。巨富之女贺盈聘请罗力于七天之内到柬埔寨，从杀手乃文手上夺回一盒录有商业秘密之录音带。罗力为了一百万酬劳，毅然与贺盈订定合约，并召集好友组织一支敢死队，潜入柬埔寨与游击队交涉。几经艰险，罗力终于完成任务，不料整个事件背后原来有极大阴谋……The wave of protests is beyond the scope of this book.