Fortunately, all of these are handled by the finally clause, which releases all the resources used by copyFile .

幸运的是，所有这些都由finally语句来处理，该语句释放了copyFile所使用的所有资源。

youdao

The code bellow defined CreateFile and CopyFile two classes, use Command patten and Composite patten log requests, and support undoable operations.

下面的例子定义了 创建文件和拷贝文件两个类，使用命令模式和组合模式记录日志，并实现逆操作。

youdao

The code bellow defined CreateFile and CopyFile two classes, use Command patten and Composite patten log requests, and support undoable operations.

下面的例子定义了 创建文件和拷贝文件两个类，使用命令模式和组合模式记录日志，并实现逆操作。

youdao