In other words, an application cannot completely defer to a message instance from the service interface definition alone.

也就是说，应用程序可以不完全单独遵从来自服务接口定义的消息实例。

youdao

Define an interface for creating an object, but let subclasses decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.

定义一个用于创建对象的接口，让子类决定实例化哪一个类。工厂方法使一个类的实例化延迟到其子类。

youdao

Define an interface for creating an object, but let subclass decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.

定义一个用于创建对象的接口，让子类决定实例化哪一个类。工厂方法使一个类的实例化延迟到其子类。

youdao

Define an interface for creating an object, but let subclass decide which class to instantiate. Factory Method lets a class defer instantiation to subclasses.

定义一个用于创建对象的接口，让子类决定实例化哪一个类。工厂方法使一个类的实例化延迟到其子类。

youdao