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浙兵再度出关，俞大猷临危受命，走在了队伍的最前列。青春之路。This annotation comes from reference article 1(four) more than one registered fire engineer and more than five personnel with fire extinguisher maintenance skills;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.(未完待续……) show_style();。才要向其他人派送香囊，就听黄豆大喊道：快给钱。