However, there is no portable means to send specific subclasses of RemoteException.

然而，却没有用于发送RemoteException的特殊子类的可移植方法。

youdao

You will also often need to provide subclasses of these more specific exceptions (which are in turn subclasses of the main application exception), providing even more specific exceptions.

您还经常需要给这些更具体的异常(这些异常也是主应用程序异常的子类)提供子类，以提供更具体的异常。

youdao

Now let's examine the specific Buffer subclasses.

现在让我们研究一些具体的buffer子类。

youdao