In that situation, a J2EE component can use connection objects without causing overheads on the database resource manager, since a pool manager creates the connection objects up front, at startup.
在那种情况下，因为池管理器预先在启动时创建连接对象，所以，J2EE组件可以使用连接对象，而不会导致数据库资源管理器上的系统开销。
Preloading is the approach by which you have a set of objects that is entirely loaded into the cache at startup time.
预加载是一种在启动时将整个对象集加载到缓存中的方法。
Preloading is the approach by which you have a set of objects that is entirely loaded into the cache at startup time.
预加载是一种在启动时将整个对象集加载到缓存中的方法。
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