Things get a little trickier when we query an abstract class.
当我们查询抽象类时，事情变得有些复杂。
An abstract class that represents the location where index files are stored.
表示索引文件存储位置的抽象类。
Suppose you have an abstract class Vehicle, defined as follows in Listing 5.
假设您有一个名为vehicle的抽象类，其定义如清单5所示。
It provides an abstract class which must be subclassed to create portlets.
它提供了抽象子类来创建portlet。
In fact, an abstract class gives you more flexibility when it comes to evolution.
实际上，抽象类在具体实现时提供了更好的灵活性。
Notice that an abstract class is denoted by italicized text, as are abstract methods.
注意，抽象类和抽象方法用斜体表示。
Create an abstract class named BP3Form by extending org.apache.struts.action.ActionForm.
通过扩展org . apache . struts. action . ActionForm创建一个名为BP3Form的抽象类。
You can declare standard and abstract methods in an abstract class, as shown in Listing 5.
可以在抽象类中声明标准和抽象方法，如清单5所示。
However, unlike an abstract class, a mixin does not try to contain the framework for a child.
然而，与抽象类不同的是，mixin并不试图包括子类的框架。
The same could have been accomplished by adding a special abstract class with empty callbacks.
通过添加带有空回调的特定抽象类同样可以完成该操作。
In this case, we use an abstract class to define the service specification, as shown in Figure 5.
在这种情况下，我们使用一个抽象类来定义服务规范，如图5所示。
The top level object is the Order, an abstract class that is inherited by FoodOrder and BoxOrder.
顶层对象是Order，是FoodOrder和BoxOrder继承的一个抽象类。
Completing the object model (sealed, abstract class attributes and many other details have been addressed).
完善了对象模型(密闭、抽象类属性和许多其他细节都已经解决)。
ValidationRule is an abstract class for a rule engine used to validate and format ViewController field content.
ValidationRule是规则引擎的抽象类，用来验证并格式化ViewController字段内容。
Figure 3 presents the SQL Model table objects, where table is an abstract class and can have one to many columns.
图3显示了SQLmodel表对象，其中Table是一个抽象类，它可以有1到多个列，或者0到多个用户定义类型。
This indicates that the BankAccount class is an abstract class and the withdrawal method is an abstract operation.
这表示，BankAccount类是一个抽象类，而withdrawal方法是抽象的操作。
A FieldEditor is an abstract class that represents a value that can be modified by a user from a Preferences page.
FieldEditor是一个抽象类，表示用户可以在Preferences页面修改的值。
BaseBridge, an abstract class, will contain all of the methods that you could conceivably implement in your connector.
BaseBridge是一个抽象类，包含在连接器中可能要实现的所有方法。
Just as in the Person mapping file in Listing 2, in Listing 9 we map the abstract class (Right) and all its attributes.
正如清单2所示的Person映射文件，在清单9中，我们映射了抽象类(Right)及其所有属性。
In the later framework, MD5 is defined as an abstract class which can be extended, but its implementation is not trivial.
在Silverlight 2的框架中，MD 5被定义为抽象类，可对其进行扩展，但实现起来非常繁琐。
Food order is another abstract class inherited by the three food types actual order classes: Doughnut, Pasty, and IcedBun.
而FoodOrder则是由这三种食品类型实际订单类(Doughnut、Pasty和IcedBun)继承的另一个抽象类。
Generate the tree structure of the abstract class diagram by selecting the Explore in Browse diagram from the context menu.
通过选择内容菜单中Explorein BrowseDiagram选项来产生抽象类图的树状结构。
A child class that extends an abstract class must implement all abstract methods in its parent or itself be declared abstract.
继承抽象类的子类必须实现在其父类或自身中声明为抽象的所有抽象方法。
These are the respective implementations of each abstract class and interface in the message queue framework interface package.
它们分别是消息队列框架接口包中每个抽象类和接口的实现。
Binding is now an abstract class representing a binding between two Property instances (typically associated with two objects).
Binding目前已经成为一个表示两个Property实例之间绑定关系的抽象类(通常关联着两个对象)。
To simplify coding, I have provided an abstract class DefaultMoverImpl, available through the source repository (see Resources).
要简化编码，我已经提供了一个抽象类defaultmoverimpl，可以在源码库中找到这个类(请参阅参考资料)。
The abstract class ColorModel has the API to translate between color components and primitive red, green, blue, and alpha components.
ColorModel抽象类具有能在颜色组件和基本的红、绿、蓝以及alpha组件之间进行转换的API。
The change to each IPresenter implementation could be alleviated by using an abstract class called Presenter instead of an interface.
通过使用一个名为Presenter的抽象类，而不是使用一个接口将会减少修改每个IPresenter接口的实现的痛苦。
By extending the abstract class org.restlet.Filter and attaching it to an existing router, it's possible to intercept calls to routers.
通过扩展抽象类org . restlet . Filter并将其附加到一个现有路由器，可以侦听对路由器的调用。
In this case, we use an abstract class to define the service interface and operations of the exposed capabilities, as shown in Figure 3.
在这种情况下，我们使用一个抽象的类，来定义服务接口以及预期功能的操作，如图3所示。
应用推荐