An Abstract Class的意思|示意

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。

Shape is an abstract class.

Shape是一个抽象类。

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。

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。

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。

Binding is now an abstract class representing a binding between two Property instances (typically associated with two objects).

Binding目前已经成为一个表示两个Property实例之间绑定关系的抽象类(通常关联着两个对象)。