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。
Implement or extends from external code.
实施或者扩展外部性代码。
With a service interface defined, the next step is to implement it in a class that extends GWT's RemoteServiceServlet class.
定义了服务接口之后，下一步就是在扩展GWT的remoteserviceservlet类的类中实现该接口。
Keep in mind that Queue extends from the Collection interface, so implementations of the Queue interface also implement Collection.
请记住，Queue是从Collection接口扩展的，所以实现Queue接口也就实现了Collection。
Any class that extends DictionaryIO must implement the import and export methods or risk a fatal error.
继承DictionaryIO的任何类必须实现import和export方法，否则就可能得到致命错误。
Plug-ins that are developed with the Lotus Sametime Connect toolkit implement and register a single message processing object that extends the DefaultMessageHandler type.
使用LotusSametimeConnect工具箱开发的插件实现并注册了一个消息处理对象，该对象扩展了 DefaultMessageHandler 类型。
The MqttAdvancedCallback interface extends the MqttCallback, so when you use the advanced callback interface, you must also implement the methods defined in the simple callback interface.
MqttAdvancedCallback接口用来扩展 MqttCallback，所以在使用高级回调接口时，也必须实现在简单回调接口中定义的方法。
As in Servlet 2.3, in struts 1.0 create a scope key and implement the notification logic in a superclass that extends from org.apache.struts.action.ActionServlet.
与Servlet 2.3一样，在struts 1.0中应该在一个扩展自org . apache . struts . action . ActionServlet的超类中创建范围键并实现通知逻辑。
In addition, because the governance validator interface extends the base Service Registry validator interface, it must also implement the create, update and delete methods.
此外，因为控制验证器接口可扩展基础serviceRegistry验证器接口，所以它还必须实现创建、更新和删除方法。
A class that extends another, cannot also implement your class.
一个类可以扩展另一个类，但是它不能实现你这个抽象类。
A class that extends another, cannot also implement your class.
一个类可以扩展另一个类，但是它不能实现你这个抽象类。
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