There are three base implementations provided for sub-classing.
所提供的用于生成子类的基本实现有三种。
In VB this is relatively easy to achieve, so long as you understand sub-classing.
在VB这是比较容易实现的，只要你明白分分级。
After 24 pages we reach a much better design, which mainly USES a map to store properties rather than sub-classing for each type of instrument.
在24页之后，我们看到了更好的设计，主要用map来存储属性，而不是为每种乐器类型建立子类。
Attach additional responsibilities to an object dynamically keeping the same interface. Decorators provider a flexible alternative to sub-classing for extending functionality.
动态的给一个对象添加一些额外的职责，就增加功能而言，装饰模式能相比生成子类更为灵活。
A sub classing of the interface is used to provide two services with the same interface.
使用了接口的子类来提供具有相同接口的两个服务。
Decorator Pattern Attaches additional responsibilities to an object dynamically. Decorators provide a flexible alternative to sub classing for extending functionality.
装饰器模式动态地将责任附加到对象上。若要扩展功能，装饰者提供了比继承更有弹性的替代方案。
Decorator Pattern Attaches additional responsibilities to an object dynamically. Decorators provide a flexible alternative to sub classing for extending functionality.
装饰器模式动态地将责任附加到对象上。若要扩展功能，装饰者提供了比继承更有弹性的替代方案。
应用推荐