Strategy 1: One table per subclass (Persons).
策略1：每个子类一个表(Persons)。
Now, this is a lot of overhead just to subclass.
现在，这是一个很大的开销只是为了子类。
Now we can create our bean as a subclass of this.
现在，我们可以以这个类为父类创建子类bean。
With this strategy, each proper subclass has its own table.
通过这种策略，每个子类都会拥有其自身的表。
Create a mock object class as a subclass of the concrete class.
创建一个模拟对象类作为具体类中的一个子类。
The tree class represents a tree and is a subclass of Basetree.
树以tree类表示，这个类是Basetree的子类。
The pros are similar to the above "Table per Subclass" strategy.
优点和上面的“每个子类一张表”策略相似。
As you can see, the FlickrView class is a subclass of ImageView.
可以看到，flickrview类是ImageView的子类。
All the subclass does is convert the text data into a date value.
所有的子类将文本数据转换为数据值。
The proxy class is an actual subclass of the persistent class.
实际上，代理类是持久化类的子类。
Extend an existing View class or subclass with your own class.
从现有控件类或其子类扩展你自己的类。
In fact, InputStream is abstract, so some sort of subclass is necessary.
实际上，InputStream是一个抽象类，因此某种类型的子类是必要的。
You have to subclass all child window controls in your parent window.
你必须在你的父窗口中对所有的子窗口控件分类。
Select the correct class or subclass for the employee's business unit.
选择员工业务单位的正确类别或子类。
The root element of an MXML document is a subclass of the Application class.
一个MXML文档的根元素是application类的一个子类。
You never create an instance of it — instead, you always work with a subclass.
您永远不会创建它的实例——相反，您总是使用它的子类。
The first thing to do is create a subclass of the CaseFolder class definition.
首先，创建CaseFolder类的一个子类。
There is a subclass of the base message class specific to each type of message.
Message基类的一个子类特定于消息的具体类型。
The subclass function then passes the message to the original window procedure.
子类化函数然后把该消息传递给原始窗口过程。
You will never instantiate this class directly, but always create an instance of its subclass.
永远不要直接实例化这个类，而是创建它的子类的一个实例。
Subclass dialog design, split the source window, interface development is a good resource.
对话框子类设计，窗口拆分的源程序，是进行界面开发的好资源。
Your application can throw this subclass exception and your client would receive this exception.
您的应用程序可以抛出这个子类异常，并且您的客户将接收到这个异常。
Your application can throw this subclass exception and your client would receive this exception.
您的应用程序可以抛出这个子类异常，并且您的客户将接收到这个异常。
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