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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.戏剧学院表演系教授田丰有一个和睦的家--妻子刘青是纺织厂的副厂长，女儿忆文已经出嫁，儿子思文在广告公司任创意策划，母亲在家操持家务，一家三代，过着舒适平静的日子。田母喜欢在街道老年秧歌队练练身子。一次不慎扭伤子脚。为了照顾田母，田家决定请个保母。田丰从劳务市场请来了保姆郑小芳。要知道尹旭现在的已经是越王，身份高贵，见到钟隐之后还能这么谦逊有礼，可以算是难能可贵。女硕士吴芳不停地相亲，每次和男人约会她都要点一杯绿茶，她相信一个叫朗朗的女孩说的话，从一杯茶预测一个人的爱情。陈明亮觉得这都是女孩子的胡说八道，他认为女人不外乎就两类：森林型和罗马型。在森林里，你看见有无数条路、无数种可能，所以在森林型女人面前，男人容易迷路；而在罗马型女人面前，男人容易迷失自己，因为你永远不知道在另外的路上，正有多少人向着同一个目标进发。Since then, Li Lei has kept thinking of that moment. Perhaps his father will live longer with conservative treatment. But there is nothing if.This.technicalInterview ();本作为日本电视台放送的TV特别篇，单集112分钟。《钱形警部真红的搜查文件》于2月19日起在WOWOW开始放送的《钱形警部漆黑的犯罪文件》。