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2. Select the Drawing Tool Format tab and click the button of the Shape Style Group as shown in the figure.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.周勃来禀报消息的时候，刘邦点头道：好，能挡得住越军吗？每到防线有十万人，尹旭那边只有七万人，如果是正面作战，自然没有问题，怕的就是尹旭使用什么阴谋诡计。嗯，东来哥放心。在西南战区R集团军组织的一场常规演习中。按照演习“想定”的规定，担任“红方”的A师必胜，担任“假设敌人”的蓝方C师必败。但“蓝方”利用他们自筹资金建立起来的高技术战场监控系统发现了“红方”攻击中的漏洞，决定打破原有的演习规则，给训练注入新的活力。他们趁夜插入“敌后”，不仅使红方的正面攻击扑空，还成功地占领了“红方”师指挥部......ACTION_MOVE: Finger slides on screen