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。
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。
Now let's examine the specific Buffer subclasses.
现在让我们研究一些具体的buffer子类。
In the case of Web services invocations, both the local and remote implementation classes have to be subclasses in order to realize their service-specific implementations.
在Web服务调用的情况下，本地与远程实现类都必须是子类，以实现它们的特定于服务的实现。
While there are subclasses of InitialContext that are specific to directory operations, such as InitialDirContext, the generic class will do the job.
尽管有一些特定于目录操作的initialcontext子类(如initialdircontext)，但通用类将完成此任务。
The subclasses for other specific parameter types (boolean, float, String, and so on) are very similar.
其他特定形参类型（boolean、float、String ，等等）的子类与此十分相似。
This abstract class models the addresses in a message. Subclasses provide specific implementations.
该抽象类模拟消息中的地址，子类提供具体的实现。
Factory mode two most important functions: 1 the definition of an object to create an interface that encapsulates the construction objects 2 makes specific class work delayed to subclasses.
详细说明：Factory模式的两个最重要的功能：1定义创建对象的接口，封装了对象的建；2使得具体化类的工作延迟到了子类中。
Factory mode two most important functions: 1 the definition of an object to create an interface that encapsulates the construction objects 2 makes specific class work delayed to subclasses.
详细说明：Factory模式的两个最重要的功能：1定义创建对象的接口，封装了对象的建；2使得具体化类的工作延迟到了子类中。
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