Redefining the _xo_ base class.
重定义_ XO _基类。
我还添加了一个基类。
All classes inherit from a common base class.
所有的类都从一个通用的基类继承。
The base class, a, has a member named m_nA.
基类A有一个名为m_na的成员。
The base class defines a method called load .
基类定义了名为load的方法。
First, the handler must extend the base class.
首先处理程序必须扩展基类。
The first code snippet shows the base class BOBase.
第一个代码片断展示了基类bobase。
The base class in Listing 7 extends android.os.AsyncTask.
清单7中的基类扩展了android.os.AsyncTask。
All the exceptions are derived from a common base class.
所有的异常继承自一个基类。
Problem is, the only exception I catch is the base class.
现在的问题是，我只能捕获基类这个异常。
Contrast the use of an abstract base class against an interface?
对比抽象基类和接口的使用。
This is a base class that makes writing handler classes easier.
这个基类将使编写处理程序类更加容易。
The Configuration class is simply a base class — an abstract class.
configuration类只是一个基类——一个抽象类。
The LzLayout class is the base class that provides this functionality.
LzLayout类是提供该功能的基类。
Connections are established by creating instances of the PDO base class.
连接是通过创建pdo基类的实例而建立的。
The org.apache.click.Page class is the base class for each page component.
page类是所有页面组件的基类。
Access to data fields inherited from a virtual base class is not supported.
不支持访问从虚拟基类继承的数据字段。
org.objectweb.asm.ClassAdapter is a convenient base class for this purpose.
ClassAdapter 是针对此目的的一个方便的基类。
The derived classes have the same dynamic class attributes of the base class.
派生类具有跟基类相同的动态类属性。
Instead they must mix the base class attributeMap property with their values.
相反，它们必须混合基础类attributemap属性与它们的值。
In Listing 11, the abstract base class implements an interface AsyncCallback.
在清单11中，抽象类实现AsyncCallback接口。
Mapping additional classes is done the same way as mapping the base class.
按照相同的方式对其他类进行映射。
The base class also defines some simple constants for the names of the tags.
基类还为标记的名称定义了一些简单的常量。
I'll want to extract the common elements of performance into an abstract base class.
我想把性能的公共元素提取到一个抽象基类。
Suppose you have a derived class D whose base class B has implemented some interfaces.
假设有个类型D，它的基类B实现了某些接口。
The parts that are common throughout all your systems go to a base class you always use.
在整个系统中都会使用的部分可以放到基类里面。
To begin we create an abstract base class which represents the service we want to expose.
首先，我要创建一个抽象基类，用于表示我们要公开的服务。
Additionally, the base class contains a method to return the actual database instance.
此外，基类bobase包含返回实际数据库实例的方法。
Many programmers are confused about the difference between a metaclass and a base class.
许多程序员会混淆元类和基类的不同。
These classes delegate responsibility for base class behavior to an instance of the base class.
这些类将基础类行为的责任委托给基础类的一个实例。
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