So to obtain a class we must provide an ADT and decide on an implementation.

因此，要获得一个类，我们必须提供一个ADT并决定一个实现。

youdao

So to obtain a class we must provide an ADT and decide on an implementation.

因此，要获得一个类，我们必须提供一个ADT并决定一个实现。

youdao