Control是一个抽象类。
Widget是一个抽象类。
Shape是一个抽象类。
An abstract class is good as well.
抽象类的方式也很好。
Item是一个抽象类。
No data entry directly USES an abstract class.
没有数据条目会直接使用抽象类。
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。
The Quantification abstract class is a special case, in a way.
在某种程度上， Quantification抽象类是个特殊的例子。
Response is an abstract class that represents an HTTP response.
Response是个抽象类，代表了HTTP响应。
A ListEditor is an abstract class that represents a list of data.
ListEditor是一个抽象类，表示一个数据列表。
The Configuration class is simply a base class — an abstract class.
configuration类只是一个基类——一个抽象类。
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。
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。
I could just add default implementations to the abstract class as shown in Figure 5.
像代码5这样，我可以仅仅向抽象类中添加一些默认的实现。
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。
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。
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。
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。
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