For many interfaces, much of the functionality can be implemented with "boilerplate" code that will be valid for all classes that use the interface.

对于许多接口，大多数功能都可以用对于所有使用这个接口的类都有效的“样板”代码来实现。

youdao

The constructor instantiates DOM so that all underlying classes will use the same object.

构造器实例化了DOM，因此所有基本类都将使用同一个对象。

youdao

As the operations offered by the classes are the same, you can use an interface to define a contract that all of your classes implement.

由于这些类提供的操作相同，您可以使用一个接口来定义一个所有类实现的协定。

youdao

It is important for retirees to make use of all asset classes to generate income while protecting against inherent market risks and inflation.

FORBES: The Early Retirement Income Challenge: Longevity