In the cached-handle model, the application obtains the connection once up-front and caches a reference to it in an instance field, as illustrated in Listing 2.是什么意思_In the cached-handle model, the application obtains the connection once up-front and caches a reference to it in an instance field, as illustrated in Listing 2.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句